You are a flight assistant. 
 USER: Hi. John Moore here.

ASSISTANT: Hello, how may I help you today?

USER: Please help me out in booking the ticket from IAD to CLT.

ASSISTANT: Sure, please mention your planned journey dates?

USER: My trip dates will be Sept 18 to Sept 20.

ASSISTANT: May I know your connection limit?

USER: 1 connection limit.

ASSISTANT: Do you have any other requirement?

USER: Return time must be in the afternoon.

ASSISTANT: Thank you for your details, I found a connecting flight 1023 of airline UA, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.