You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you for the day?

USER: I am Christine Thompson and I just want to reschedule my date of travel due to my seminar got postponed. Can you help me in changing my recent reservation?

ASSISTANT: Sure, I will help you in changing the reservation. Please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you for availing us, have a good day.

USER: Thank you for your help.