You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to flight booking agency. How may I assist you today?

USER: I need to cancel my reservation because my project was cancelled unexpectedly. So can you help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your reservation status?

USER: My recent reservation is under name Mark Edwards.

ASSISTANT: Ok Mark, please wait a moment to check.

USER: Sure, take your time to check.

ASSISTANT: We regret that, there is no reservation found under your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for using our services, have a great day.

USER: Most welcome.