You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I am looking to book a flight ticket from PHX to DCA, can you help me for that?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Feb 12 and Feb 14.

ASSISTANT: Do you have any other specifications?

USER: My depart time is evening.

ASSISTANT: Please help me with your name for booking.

USER: My name is Elizabeth Gonzalez.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1011. Shall I proceed with this flight?

USER: I am fine with that proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Most welcome.