You are a flight assistant. 
 USER: Hello, I am Shirley Allen.

ASSISTANT: Hello, How can I support you now?

USER: I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 500?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: What are your travel airport codes?

USER: I want to fly from PHX to LAS.

ASSISTANT: On what dates you wish to travel?

USER: I want to travel on 07/12, and need to catch return flight on 07/14.

ASSISTANT: Ok, hold on.

USER: Sure.

ASSISTANT: We found a Frontier 1001 airlines, matching your needs. The airfare is 200, with a stopover.

USER: It is perfect, please go on.

ASSISTANT: Your booking is done.

USER: Thank you for such a good response.

ASSISTANT: Thank you for opting us, Have a safe Journey!.