You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Garcia.

ASSISTANT: What assistance that I can aid you?

USER: Due to some emergency I need to cancel my reservation. Can you help me cancelling my reservation?

ASSISTANT: Sure, I am happy to help you in that ticket cancellation. Please wait for a moment.

USER: Sure.

ASSISTANT: There is no reservation status found on the name that you have provided us for checking purpose.

USER: No problem. Thank you for the information.

ASSISTANT: It's my pleasure and have a great day.