You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brenda Edwards. I have to cancel my flight ticket booking that I am unable to attend the trip, can you please help me in doing that?

ASSISTANT: Sure, I am here to help you. Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any reservation on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.