You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Parker here.

ASSISTANT: How can I assist you?

USER: I want to book a flight on the route from LAS to PHX to meet my cousin, can you help me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates will be from 11/29 to 12/01.

ASSISTANT: Southwest airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: Ok, please book it for my journey.

ASSISTANT: I have successfully booked your ticket with flight-1025, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.