You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, firstly may I know your name?

USER: Sure, my name is Jack Williams.

ASSISTANT: What type of service you are looking from us Williams?

USER: Due to health issue, I cannot attend my meeting.Can you help me to cancel my recent reservation?

ASSISTANT: Yes, I am glad to assist you.Give me a moment to check existing flight.

USER: Ok.

ASSISTANT: Yes, Williams I have found a reservation on your name in our date base.Shall I proceed with the cancelling the ticket?

USER: Yes, proceed.

ASSISTANT: As per your interest reservation is cancelled.

USER: Thanks for the help.

ASSISTANT: My pleasure, hope you recover soon.