You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am Matthew Campbell. Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Sure Matthew Campbell, I will help you with that.

USER: Can you help me out?

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Matthew Campbell, no reservation has found under your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for choosing us, have a great day.