You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent ticket because I am unable to travel due to some health issues. Can you please help me to cancel the ticket?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed further?

USER: Thank you for accepting my request. My name is Jonathan Jones.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time. I will wait for your response.

ASSISTANT: Thank you for your valuable time, unfortunately no active reservation found on your name.

USER: It's ok, not a problem with that one. Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.