You are a flight assistant. 
 USER: Hello,. I am Carol Harris.

ASSISTANT: Hello, how can I serve you the best today?

USER: Please help me in making a reservation to attend for film festivals at Phoenix, PHX.

ASSISTANT: Sure, I can help you in making reservation.

USER: Thank you.

ASSISTANT: May I know your start date and end date?

USER: My departure and arrival dates are 11/04 and 11/06.

ASSISTANT: From where you want to board?

USER: My source point is Washington, DCA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: A flight having single stop over in Southwest airline is available for you with fare 100. Shall i proceed to this?

USER: Ok, proceed.

ASSISTANT: Ok, your booking with 1000 flight is successful.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us, have a safe journey.