You are a flight assistant. 
 USER: Hello. Betty Allen here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend a film festival at New York, so can you book a ticket from Washington, DCA?

ASSISTANT: Sure, can you please mention your landing airport code?

USER: My landing airport code is LGA.

ASSISTANT: Ok,  may I know your preferable dates of journey please?

USER: My journey dates are 07/01 and 07/03.

ASSISTANT: How much you can spend for air fare?

USER: I can spend up to 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a connecting flight in Spirit airlines with 1016 flight number. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.