You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from Dallas & Fort Worth to participate in a food festival at Las Vegas. Can you help me book a flight ticket within the price of 5000?

ASSISTANT: Sure, we are here to help you. Can you share me your journey locations.

USER: My trip is from DFW to LAS.

ASSISTANT: May I know your name to book a flight ticket?

USER: My name is Donna Taylor.

ASSISTANT: Let me know when you are willing to travel?

USER: I intend to fly from 11/14 and 11/16.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Frontier airline with connecting flight and number 1000 fare of 100. Shall I confirm it?

USER: Yes please.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the booking.

ASSISTANT: Thanks for approaching us.