You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Due to some health issues I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, can I have your name please?

USER: My name is Lisa Lewis.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have found a reservation on your given name. Would you like me to cancel?

USER: Yes, please cancel.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your great service.

ASSISTANT: Thank you for connecting us.