You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I want to book a flight ticket from PHX to DCA. Could you help me in booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Jan,14 and Jan,16.

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

USER: Myself Mary Hill.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found Southwest airline with price 100 and economy class and airline number is 1007 with arrival time is 6:00 hours and departure time is 13:00 hours, Shall I proceed for booking?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket is booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us.