You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go Washington to celebrate my brother birthday.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure, May I know your travelling dates please?

USER: Dates are 03/18 and 03/20.

ASSISTANT: may I know your airport codes please?

USER: Airport codes are PHX-DCA.

ASSISTANT: Just a moment please.

USER: Ok.

ASSISTANT: There is  a flight with 1 connection, can I proceed for booking in 1029 flight?

USER: Go ahead.

ASSISTANT: On which name can I proceed for booking.

USER: I am Ruth Wilson.

ASSISTANT: Your booking is confirmed in Delta airlines, it costs you 300 only?

USER: Please book that flight. Thank you for the help.

ASSISTANT: Thank you for using our service.