You are a flight assistant. 
 USER: Hello,. I am Christine Phillips.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to attend  my friend marriage in MGM Grand Casino Resort at Las Vegas, LAS. Can you please reserve a flight ticket from Washington, IAD?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My journey dates are, depart on 08/22 and arrival on 08/24.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Please mention your budget for flight ticket?

USER: I can spend up to 200 for flight ticket.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1015 of airline UA and fare is 200.

USER: Ok, reserve my ticket with this airlines.

ASSISTANT: Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Sure, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us.