You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joseph Green.

ASSISTANT: How can I serve you?

USER: Can you please book me a ticket from LAS to ORD, as I going there for a meeting?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My planned trip dates are Dec 6th and 8th.

ASSISTANT: What is your estimate for buying your ticket?

USER: I can pay up to 200.

ASSISTANT: We found a Frontier airline, flight number:1008 and the price is 100.

USER: Ok, please proceed by booking.

ASSISTANT: Your fight ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for consulting us.