user: 
agent: Disruption between Sheffield and Derby until approximately 07:30 #Derby
user: Will the 6.33 from Sheffield to York be on time. Your journey planner is showing no delay
agent: Hi there, the service is currently running to schedule.
user: Never fails to amaze me how abysmal your system for reporting delays is. Here we are at 6.32 and it's announced as delayed. Useless.
agent: Unfortunately a signalling issue is currently causing delays at chesterfield. Sorry for any inconvenience caused.
user: That doesn't change the fact that it was showing as on time until 1 minute before it was due. Why so late to let people know?
agent: Unfortunately we were only made aware of the issue just after the train departed from Chesterfield, further information can (1) Be found here -

Customer is complaining about the delay of the train where in they didn't informed prior. Agent provided the link to check the information about the timings hence they got the information just the train departed from Chesterfield.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: 
agent: Disruption between Sheffield and Derby until approximately 07:30 #Derby
user: Will the 6.33 from Sheffield to York be on time. Your journey planner is showing no delay
agent: Hi there, the service is currently running to schedule.
user: Never fails to amaze me how abysmal your system for reporting delays is. Here we are at 6.32 and it's announced as delayed. Useless.
agent: Unfortunately a signalling issue is currently causing delays at chesterfield. Sorry for any inconvenience caused.
user: That doesn't change the fact that it was showing as on time until 1 minute before it was due. Why so late to let people know?
agent: Unfortunately we were only made aware of the issue just after the train departed from Chesterfield, further information can (1) Be found here -

### Response:
Customer is complaining about the delay of the train where in they didn't informed prior. Agent provided the link to check the information about the timings hence they got the information just the train departed from Chesterfield.