You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Lopez.

ASSISTANT: How may I help you?

USER: I want to go for a round trip to Phoenix, can you please help me in booking?

ASSISTANT: Sure, I would be happy to help you. Can I have your depart date?

USER: My depart date is on 01/17.

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

USER: I need a lay by.

ASSISTANT: Let me know your airport code?

USER: My airport code is AZ-PHX.

ASSISTANT: When will you return from your trip?

USER: I will return on 01/19.

ASSISTANT: Thank you for sharing the details, give me a minute to search for the flight availability.

USER: Ok.

ASSISTANT: Thanks for your time, there is a connecting flight of UA airline available on your dates. Flight number is 1015 and ticket fare is 200. May I confirm it?

USER: You can confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.