You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Linda Clark here.

ASSISTANT: How can I assist you today?

USER: I need your help in changing my recent reservation as my planned trip has been postponed to some other dates, will you help me in that?

ASSISTANT: Sure, will you please give me a moment?

USER: Yes, take your own time.

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

USER: Oh! May be something went wrong while I was booking the ticket. Thank you anyways for your quick response.

ASSISTANT: Thanks for reaching us, have a great day.