You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to travel CLT from DCA, can you please help me with this?

ASSISTANT: Can I know your travel dates.

USER: I planned to travel on May 11 and return on May 13.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Let me know your departure and return timings.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any preference?

USER: I do not have any other preference.

ASSISTANT: Can I know your name?

USER: I am Robert Collins.

ASSISTANT: Found ticket with JetBlue airlines for price 200.

USER: You can proceed for booking.

ASSISTANT: Your ticket is booked in an economy class having flight number 1021.

USER: Thank you for booking.

ASSISTANT: Thank you. Have a nice day!.