You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please aid me to modify the ticket details? Because the planned trip got postponed due to some other important work.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, my name is James Johnson.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Oh! I think the ticket was not booked properly while I am booking. Thank you for checking.

ASSISTANT: Thanks for approaching us.

USER: Welcome.