You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Winning to an emergency,  I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: May I know your name?

USER: Sure, my name is Kimberly Walker.

ASSISTANT: There is no reservation found under your name.

USER: Ok, no problem.

ASSISTANT: Thank you to choose us.

USER: Thank you for your information.