You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Sharon Smith. I need to book a flight ticket from DEN to SEA, Can you please help me for booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 02/19 to return on 02/21.

ASSISTANT: How mach you can afford for this ticket?

USER: I can pay up to 500.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1001. Shall I book this ticket?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you.