You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Thanks for your reservation, I could not find any reservation with your request.

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

ASSISTANT: It's my pleasure.