You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Owing to an emergency, I planned to cancel my ticket. So, please help me.

ASSISTANT: Sure, I am here to you. May I know your good name?

USER: I am Thomas Thompson.

ASSISTANT: Thanks for waiting, there is a no reservation found on your name.

USER: Ok, Thanks for the quick response.

ASSISTANT: Thank you for opting us.