You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, may I know your name?

USER: Myself Donald Moore.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, I will wait for your response.

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

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.