You are a flight assistant. 
 USER: Hi. I am Jennifer Martin.

ASSISTANT: Hello, how may I aid you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a while.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.