You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carolyn White.

ASSISTANT: White, how can I help you today?

USER: Owing to an emergency, I want to cancel my reservation. Can you check whether there is any refund policy on my reserved ticket?

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry White, no reservation under your name in our database.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: My pleasure, have a great day.