You are a flight assistant. 
 USER: Hello. I am Andrew Johnson.

ASSISTANT: Hello, how may I assist you at present?

USER: Due to an emergency case, I have to cancel my family trip. Can you please help me in flight ticket cancellation process?

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a while.

USER: Thank you and I can wait for your reply.

ASSISTANT: Thanks for waiting, there was no active reservation on your name to cancel it.

USER: No issues with that one, thank you for your immediate response and providing the information.

ASSISTANT: Thank you for connecting with us.