You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to travel from DCA to CLT, can you help me in doing that?

ASSISTANT: Sure, I'm always here to help you. Can you please provide your planned travel dates?

USER: My trip dates are May 14 to 16.

ASSISTANT: May I know in which class do you prefer to travel?

USER: I am comfortable in any class.

ASSISTANT: In which airlines do you prefer to travel?

USER: I don't have any airline preference.

ASSISTANT: Please let me know if you have any time concerns.

USER: No.

ASSISTANT: How may connections are you expecting in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Can I have your good name please?

USER: Kathleen Anderson here.

ASSISTANT: Delta airlines is providing a flight on that route with ticket fare of 200 and 1 connection, it's departure time is 11:00 hrs and arrival time is 8:00 hrs. Shall I proceed for booking the ticket?

USER: Ok, please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1002, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.