You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Eric Brown. Due to some problems I am unable to travel in flight so can you please cancel my flight ticket?

ASSISTANT: Sure, please wait a moment I will check your details and proceed further.

USER: Ok, thank you.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.