You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a ticket for round trip to Washington to visit National Air and Space Museum. Can you please check the availability of flights?

ASSISTANT: Sure, please share me your airport code?

USER: DC-DCA is my source and destination airport code.

ASSISTANT: What dates would you like to travel?

USER: I would like to travel on 09/24 and return on 09/26.

ASSISTANT: For booking process we need your name, can you please share me that?

USER: Sure, please reserve the ticket on the name of Carolyn Baker.

ASSISTANT: At what price range are you looking for?

USER: I need a flight within the price 1000.

ASSISTANT: There is a flight on your details with airline Delta, flight number: 1016. Shall I book this ticket?

USER: Yes, you can book with that airline.

ASSISTANT: Your ticket has been conformed with the name of Carolyn Baker.

USER: Thank you for your kind service.

ASSISTANT: Thank you so much for choosing us.