You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, We are here to help you. Can I know your name?

USER: Sure, my name is Betty Hall.

ASSISTANT: Please wait a while.

USER: Sure, I'll wait.

ASSISTANT: Sorry, we couldn't find a reservation on your name to cancel.

USER: Oh! May be I did a wrong booking. Thank you anyways.

ASSISTANT: Thank you for reaching us.