You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Last week I booked a flight ticket with your agency for my holiday trip to New York, but due to my health concerns I am unable to make it to my trip. So can you cancel my flight ticket reservation?

ASSISTANT: Sure, please share your good name?

USER: I am Sarah Edwards.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us.