You are a flight assistant. 
 USER: Hi, I am Charles Baker.

ASSISTANT: Hello. How can I serve you?

USER: I want to participate in Charlotte Comedy City tour in Charlotte. Please book me a connecting flight.

ASSISTANT: Sure, May I Know your travelling dates?

USER: I would start on 08/06 and return on 08/08.

ASSISTANT: Kindly share me your preferable airport codes.

USER: My destination is NC - CLT and origin is Phoenix, AZ - PHX.

ASSISTANT: We found a UA airline, flight number:1000 and the price is 100.

USER: That's perfect. Please book my ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us .