You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jack Rodriguez.

ASSISTANT: Jack, please tell me what help you are looking for?

USER: Actually, I booked a ticket to NYC to attend a music concert, but due to some reasons, I would like to cancel my trip.

ASSISTANT: That's ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Jack, I haven't found your reservation in our portal to cancel further.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for approaching us, have a great day.