You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to cancel my recent reservation due to sudden postpone of my business meeting. Can you help me with booking?

ASSISTANT: Sure, I will help you with that.

USER: Sorry, can you help me in cancellation?

ASSISTANT: Can I have your name please to check the status of your reservation?

USER: Sure, I am Jacob Robinson.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.