You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am looking to book a flight ticket from DCA to HOU. Can you help me for that?

ASSISTANT: Sure, i am glad to help you in booking. Can you please share your travel dates?

USER: My travelling dates are Aug 19 and Aug 21.

ASSISTANT: Let me know your class preference.

USER: I prefer to book a economy class.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: We found a flight 1002 in UA airlines with 1 stopover and it costs you 300. Can I proceed?

USER: Ok, proceed for booking.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Kathleen Jones.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a safe flight.