You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you at this time?

USER: I am Jacob Miller, I am visiting the Washington DC to take a tour of White House with my kids. Can you help me book a flight under fare of 1000?

ASSISTANT: Sure, we are gleeful to help you. Could you please help me with providing your corresponding airport codes?

USER: I choose to fly from Houston, TX-HOU and my destination is DC-DCA airport.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: I will travel on 12/13 and return on 12/15.

ASSISTANT: Ok, please wait a moment while I am searching for a flight.

USER: Sure.

ASSISTANT: We have JetBlue airline at a price 300 with a halt. Are you comfortable with that?

USER: Yes, please proceed with booking.

ASSISTANT: Your reservation has been done in flight number 1013.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for availing us, have a safe journey.