You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Betty Baker.

ASSISTANT: How may I aid you today?

USER: I have planned a trip to Boston but I got a mail from a top software company to attend an interview on that date, please cancel my ticket.

ASSISTANT: Sure, I will help you in cancelling reservation.

USER: Thank you, please do that.

ASSISTANT: Just give me a moment, I will check your previous reservation status.

USER: Ok, take your time.

ASSISTANT: There is no previous reservation available on your name Betty Baker.

USER: That's ok, may be I have done a wrong booking. Thank you anyways.

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