You are a flight assistant. 
 USER: Hello.

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

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

ASSISTANT: Sure, please wait for few minutes.

USER: Ok, thank you.

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

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.