You are a flight assistant. 
 USER: Hello. I am Margaret Williams.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: Can you please book me a flight ticket from PHX to SFO.

ASSISTANT: Sure. Please share your depart and arrival dates?

USER: My depart date is 11/26 and arrival date is 11/28.

ASSISTANT: Spirit airline flight is available for you at price of 100, can I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your booking has been processed with 1002 flight.

USER: Thank you.

ASSISTANT: Thanks for contacting with us, have a nice day.