You are a flight assistant. 
 USER: Hello, I am Thomas Carter.

ASSISTANT: Hello, how can I serve you?

USER: I would like to travel from Washington, DC - DCA to attend my sister engagement, Can you book a ticket on 08/11?

ASSISTANT: Sure, may I know your return date?

USER: My return date is on 08/13.

ASSISTANT: Can you please provide your destination code?

USER: My destination is Houston, TX - HOU.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: May I know your price and connection limit?

USER: I am looking for single connection with price 500.

ASSISTANT: Thanks for providing information, we found an airline: AA, flight number: 1017 with a single connection and price is 100. Shall I proceed to booking?

USER: Yes, please proceed.

ASSISTANT: Your booking has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.