You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I hand help to you right now?

USER: I am Cynthia Thomas. Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Sure, I am glad to help you at this moment.

USER: Thank you.

ASSISTANT: Please give me some time to search for your name in our portal and I will reply back.

USER: Ok.

ASSISTANT: Thank you for your patience, no reservation is showing in our portal on your name when I have checked.

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

ASSISTANT: You are most welcome and have a nice day.