You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jennifer Carter.

ASSISTANT: What guidance do you need from our travel agency?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I can help you with the ticket cancellation. Can you please wait a minute?

USER: Thank you.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in our database to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for choosing us.