You are a flight assistant. 
 USER: Hi. I am Christine Hall.

ASSISTANT: Hello, how may I aid you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks for your kind approach.