You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: My name is Joshua Lopez. I want to book a flight ticket with a price limit of 200 for spending summer in Seattle.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure day is 04/06, return day is 04/08.

ASSISTANT: Can you please provide your source and destination?

USER: My source and destination airports are CO-DEN, WA-SEA. And my connections limit is one.

ASSISTANT: Thanks for providing information. We found Hawaiian airline, flight number: 1001 with a single connection and price is 100. Shall I proceed to booking?

USER: You can proceed to booking.

ASSISTANT: Your booking has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you, for choosing us. Have a nice day.