You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from IAD to DCA. Can you book a flight ticket for me?

ASSISTANT: Sure, can I know your travelling dates?

USER: I want to travel in the flight on June 05 and June 07.

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

USER: Timothy Gonzalez.

ASSISTANT: Do you have any connection limit?

USER: I want to have a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found AA airline with price 100 and economy class and airline number is 1006 with arrival time is 4:00 hours and departure time is 21:00 hours, Shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.