You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Gary Walker. I want to book a flight ticket to Phoenix, PHX to meet my brother.

ASSISTANT: Sure, please provide your travelling dates.

USER: Can you help me in booking a flight ticket under the price of 200?

ASSISTANT: Please provide your specifications.

USER: I need connecting flight.

ASSISTANT: when are you planning to travel?

USER: I am planning to travel on 12/04 and will be return on 12/06.

ASSISTANT: Please provide your origin airport code.

USER: My origin is Oakland, OAK.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1013 flight. Shall I proceed for booking?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you.