You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Owing to an emergency, I need to cancel my reservation. Can you help me out?

ASSISTANT: Sure, may I know your good name?

USER: Sure, my name is Michelle Thomas.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: thanks for waiting, sorry there is no reservation found on your name.

USER: Ok, not an issue. Thank you.

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