You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: Owning to an emergency I would like to cancel my ticket. Will you help me?

ASSISTANT: Sure. May I know your name to check the reservation?

USER: I am Susan Collins.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, Thanks for sharing the information.

ASSISTANT: Thank you for approaching us.