You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Matthew Carter.

ASSISTANT: Matthew Carter, how may I aid you?

USER: Due to some business meeting, I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure, I will wait for your kind response.

ASSISTANT: Sorry, no reservation is available by your name.

USER: Not a big deal, anyway thank you very much for your information.

ASSISTANT: Thank you for choosing us.