You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to find a flight from DCA to IAD please?

ASSISTANT: Sure, can I know your travelling dates?

USER: My journey dates are from Jan 10th to Jan 12th.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Lisa Hill.

ASSISTANT: Do you have any connection limit?

USER: Any connection is ok for me.

ASSISTANT: Do you have any other specifications?

USER: I was looking for an economy class flight.

ASSISTANT: We found Delta airline with price 100 and economy class and airline number is 1007 with arrival time is 08:00 hours and departure time is 06:00 hours, Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.