You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in reserving a flight from LAX to reach DCA?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Thank you, my travelling dates are July 13th and July 15th.

ASSISTANT: Do you have any other requirements to be met?

USER: I prefer a single connecting flight.

ASSISTANT: Can I have your name please?

USER: Myself Richard Allen.

ASSISTANT: Southwest airlines providing a connected flight in economy class.

USER: Ok, please reserve it.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you.