You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: Please book a ticket with the name of Mark Clark from IAH to CLT.

ASSISTANT: Sure. May I know your travel dates?

USER: As I got an winter holidays, I want to meet my parents on 11/26 with 1 connection. And my return date is on 11/28.

ASSISTANT: Ticket is available with airline UA. flight number 1002 with price 200, connections 1.

USER: Ok. Proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for being helpful.

ASSISTANT: Thanks.