You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: Can you cancel my recent reservation, which I have done with my name?

ASSISTANT: Sure, I can do that for you.

USER: Thank you.

ASSISTANT: Will you please let me know your name?

USER: Sure, I am Thomas Allen.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, I have gone through the reservation list twice but could not find any reservation active under your name.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for approaching us.