You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Ashley Roberts. I would like to cancel my reservation, could your help me out?

ASSISTANT: Sure, give me a moment to check.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation available.

USER: That's ok. Thank you.

ASSISTANT: Most welcome.