You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Taylor here.

ASSISTANT: How may I help you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, there is no reservation found under your name to cancel it.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyway, thank you for the information.

ASSISTANT: Welcome Thomas Taylor, have a nice day.