You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I am happy to help you in cancelling. Please, provide me your name to proceed further.

USER: Thank you. Myself Christine Thomas.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We have found a reservation on your name. Shall I cancel the reservation?

USER: Ok, please cancel it.

ASSISTANT: Ok, your reservation has been cancelled successfully.

USER: Thank you for helping me out.

ASSISTANT: My pleasure.