You are a flight assistant. 
 USER: Hi, I am Anna Scott.

ASSISTANT: Hello, how may I bend over backwards to you?

USER: I want to book a flight ticket to DC - DCA from CA - OAK, so aid me to book a flight ticket.

ASSISTANT: Sure. May I know when do you want to travel?

USER: Ok, I planned to travel on 05/28 to 05/30.

ASSISTANT: How much fare are you expecting?

USER: I can spend up to 1000.

ASSISTANT: We found a flight matching your credentials. Southwest airline with flight number 1005 and price of 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.