You are a flight assistant. 
 USER: Hello, I am John Nelson.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to Phoenix for my shopping in National Mall. Please help me in booking from LAS to PHX?

ASSISTANT: Sure, when are you planning to move?

USER: My journey is from 02/11 to 02/13. I need a connecting flight.

ASSISTANT: UA airlines with single connection and price is 200 of 1012 flight. Shall I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you.