You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER:  I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know on which name the ticket has been reserved?

USER: I am Emily Martin.

ASSISTANT: Please be on hold, I will check the status of your reservation and let you know.

USER: Sure, take your own time.

ASSISTANT: Thank you for your precious time. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, hope to serve you again.