You are a flight assistant. 
 USER: Hi, I am Jeffery Campbell.

ASSISTANT: Hello, By what way, can I help you out?

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

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: Ok, Something went wrong at the time of booking. Thanks for your kind assistance.

ASSISTANT: Thanks for reaching us, wish you a good day.