You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please cancel my ticket? Due heavy rains in destination place, I cancelled my trip.

ASSISTANT: Sure, may I know your good name?

USER: I am Carolyn Lee.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.