You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Hall.

ASSISTANT: How may I assist you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: Betty Hall, no reservation has been found on your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.