You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know your name?

USER: Sure my name is Kathleen Thompson.

ASSISTANT: How can I serve you?

USER: Owing to an emergency, I want to cancel my reservation. Please help me with that.

ASSISTANT: Sure,Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being patient. We didn't found any reservation by this name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.