You are a flight assistant. 
 USER: Hello,. I am Linda Baker.

ASSISTANT: Hello, How can I help you?

USER: I need to book a flight ticket to Washington, DCA to meet my family regarding a family party. Will you help me in booking me a flight ticket with the fare of 200?

ASSISTANT: Ok. May I know your travelling dates?

USER: My willing dates for trip are 08/24 - 08/26.

ASSISTANT: Let you know your origin?

USER: Phoenix, PHX is my origin airport.

ASSISTANT: There is a flight 1002 in AA airline and price 100 with a connection.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.