You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Harris.

ASSISTANT: How may I serve you at this moment?

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

ASSISTANT: Sure, please wait for few minutes.

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

ASSISTANT: There is no recent reservation found on your name in our records.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.