You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket from BOS to PHX, Can you please help me for booking?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to travel on 09/12 to 09/14.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight with fare of 200.

ASSISTANT: Spirit airlines with single connection and price is 200 of 1015 flight. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you.