You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sarah Collins.

ASSISTANT: How shall I help you?

USER: Can you please help me with cancelling my reservation due to my planned event got cancelled?

ASSISTANT: Sure, I am happy to help you in that one.

USER: Thank you.

ASSISTANT: Please give me some time to check it.

USER: Sure, take your time to check.

ASSISTANT: I am unable to find your previous reservation under the name which you have provided to cancel it.

USER: Oh! It may not be booked properly due to server issue while booking. Anyway, thank you for your time.

ASSISTANT: You are most welcome and thank you for approaching us.