You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Betty Martin here.

ASSISTANT: How can I help you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Ok just a moment please.

USER: Sure, take your time.

ASSISTANT: I am sorry no reservation found on your name.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for choosing us.