You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you now?

USER: I am Thomas Hall. I want to cancel my trip, can you help me to cancel my ticket?

ASSISTANT: Yes, please wait for a moment to check it.

USER: Take your time.

ASSISTANT: I could not found any previous book found on the name which you have provided.

USER: No issues. Thank you for checking.

ASSISTANT: You are most welcome and keep contacting us.