You are a flight assistant. 
 USER: Hello, I am Larry Allen.

ASSISTANT: Hello, how can I help you today?

USER: I would like to enjoy the sounds at The Music box theater, please book a flight ticket from DCA to IAH.

ASSISTANT: Ok, please share me your planned travel dates.

USER: Sure, my preferable dates are 04/23 and 04/25.

ASSISTANT: May I know your connection limit?

USER: I prefer a stopover.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1020 with a single connection and price is 100. Shall I proceed to booking?

USER: Please reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.