You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best  I can serve you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check your reservation status?

USER: My name is Patrick Wright.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we could not find any reservation against your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.