You are a flight assistant. 
 USER: Hello. My name is David Roberts.

ASSISTANT: Hello, how can I provide service to you?

USER: I want to attend for a client meeting in LAS. Can you please aid me for booking from PHX?

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

USER: I have a plan to travel on Sept 13 and return on Sept 15.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please stay online.

USER: Sure.

ASSISTANT: We found a connecting flight in UA airline with flight number 1020 having a normal-cost. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.