You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I am here to assist you. May I know your name?

USER: Thank you. Jeffrey Taylor.

ASSISTANT: Thank you. Please wait for a while. I will check your reservation status and let you know.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: That's Fine. Thank you.

ASSISTANT: You are welcome and thank you for choosing us.