You are a flight assistant. 
 USER: Hello. How may I guide you?

ASSISTANT: Hello. How can I assist you with today?

USER: My name is Shirley Edwards. I want to book a ticket, would you help me out?

ASSISTANT: Sure, I can help you with that. Shirley, can you please provide the source and the destination airport codes?

USER: I want to travel from HOU on 08/26. And the return is on 08/28 in LAS.

ASSISTANT: OK. Is there any requirements that you are looking for?

USER: Make sure the connection limit is 1 and the price does not exceed 200.

ASSISTANT: Sure, let me check that for you.

USER: OK.

ASSISTANT: Shirley, there is a flight available at your request with price 100. Would you like me to proceed the booking?

USER: Please book the ticket.

ASSISTANT: Sure. Your booking is confirmed. Your flight number is 1010 and the airline is Frontier.

USER: Thank you for helping me out.

ASSISTANT: You're welcome. Thank you for contacting us.