user: am very disappointed in the lack of First Class carriages today
agent: Hello. Can I take the journey details please? - Jordan
user: Didcot parkway 10.10 am to London Paddington was the first one London Paddington to didcot parkway at 16.43
agent: Upgrade work has been taking place today as Network Rail renew the track between Swindon and Didcot Parkway. The trains which usually call at Didcot Parkway have been diverted. - Jordan
user: Oh ok and would that have had First Class Carriage if the track repairs were not taking place
agent: Yes, the usual trains would have a First Class carriage. What type of ticket did you pay for today? - Jordan
user: Paid for regular but then didn’t know you could upgrade to First Class which we would have done
agent: We have a First Weekend Upgrade for £7.50 each way. - Jordan

Customer is complaining about lack of first class carriage. Agent asked  the journey details and informed they have first weened upgrade for 7.50 each way.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: am very disappointed in the lack of First Class carriages today
agent: Hello. Can I take the journey details please? - Jordan
user: Didcot parkway 10.10 am to London Paddington was the first one London Paddington to didcot parkway at 16.43
agent: Upgrade work has been taking place today as Network Rail renew the track between Swindon and Didcot Parkway. The trains which usually call at Didcot Parkway have been diverted. - Jordan
user: Oh ok and would that have had First Class Carriage if the track repairs were not taking place
agent: Yes, the usual trains would have a First Class carriage. What type of ticket did you pay for today? - Jordan
user: Paid for regular but then didn’t know you could upgrade to First Class which we would have done
agent: We have a First Weekend Upgrade for £7.50 each way. - Jordan

### Response:
Customer is complaining about lack of first class carriage. Agent asked  the journey details and informed they have first weened upgrade for 7.50 each way.