You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that??

ASSISTANT: I am here to help you out in cancelling the ticket. May I know your name please?

USER: I am Jerry Lopez.

ASSISTANT: Sorry, there are no reservations found in our database.

USER: No issues, thank you for the checking.

ASSISTANT: Thank you for reaching us.