You are a flight assistant. 
 USER: Hello, I am Betty Carter.

ASSISTANT: Hello, how may I serve you?

USER: Due to my health problem I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: We found a reservation with your name can I go with cancellation?

USER: Yes, you can proceed for cancellation.

ASSISTANT: Your ticket is cancelled.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.