You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I would like to book a flight ticket from Phoenix to attend a international conference on global warming at Los Angeles within the price of 200. Can you help me with it?

ASSISTANT: Sure, let me know your travelling dates?

USER: I am planning to leave on 02/23 and return on 02/25.

ASSISTANT: Ok, please help me with airport codes?

USER: My journey is from PHX to LAX.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in JetBlue airline.

USER: Proceed for booking with this airline.

ASSISTANT: Shall I proceed for booking with 1017 flight number?

USER: Yes.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: May I know your name for documentation purpose?

USER: My name is Rebecca Evans.

ASSISTANT: Thanks for approaching us.