You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I lend a hand to?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my reservation?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thank you, I am Thomas Garcia.

ASSISTANT: Just a moment, let me check your reservation status in our records.

USER: Take your time.

ASSISTANT: Sorry for inconvenience, no reservation is found with your criteria.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you very much for approaching our agency.