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

ASSISTANT: Hello Allen, how may I assist you today?

USER: Can you aid me in booking a ticket to Denver for me within the budget of 200?

ASSISTANT: Sure, I am here to help you. Can you please share your travelling dates?

USER: Thank you for considering my request. I am planning to start on 11/06 and return back on 11/08.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights available from BOS to DEN.

ASSISTANT: I found a flight for you with Southwest airline and it is a single connecting flight. Shall I proceed?

USER: Yes, you can go ahead if it's meeting all my criteria.

ASSISTANT: Your ticket has been booked with 1009 flight number.

USER: Thank you for the support.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.