user: advertising you have the iPhone x, yet you have none to supply your customers, shambles and time to move to a new supplier
agent: Hi there, have you placed a pre-order?
user: Yes, told 20th December, shocking !
agent: Wait times can vary depending on the time you ordered &amp; the colour and size chosen. We'll get it out to you as soon as we can 👍
user: Not good enough o2, I can join Vodafone today and get one ! What a flippant non action reply, absolute shambles ! ! Not a care for customers was given ! Shame on you o2, I have 4 separate phone accounts, I will be moving all of them
agent: ☹ The device is in high demand. Please let us know if you'd like us to check your expected delivery time.
user: These are the details #
agent: Your expected delivery date is the 20th Dec but if we can get it to you sooner we will. We'll drop you a text when it's ready. We'd recommend deleting these tweets as they are public and contain your personal info. If you'd like to DM click here ⬇

Pre ordered the iPhone x but there are none available. Explains availability depends on exact model chosen and advises for this customer delivery date is 20th Dec.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: advertising you have the iPhone x, yet you have none to supply your customers, shambles and time to move to a new supplier
agent: Hi there, have you placed a pre-order?
user: Yes, told 20th December, shocking !
agent: Wait times can vary depending on the time you ordered &amp; the colour and size chosen. We'll get it out to you as soon as we can 👍
user: Not good enough o2, I can join Vodafone today and get one ! What a flippant non action reply, absolute shambles ! ! Not a care for customers was given ! Shame on you o2, I have 4 separate phone accounts, I will be moving all of them
agent: ☹ The device is in high demand. Please let us know if you'd like us to check your expected delivery time.
user: These are the details #
agent: Your expected delivery date is the 20th Dec but if we can get it to you sooner we will. We'll drop you a text when it's ready. We'd recommend deleting these tweets as they are public and contain your personal info. If you'd like to DM click here ⬇

### Response:
Pre ordered the iPhone x but there are none available. Explains availability depends on exact model chosen and advises for this customer delivery date is 20th Dec.