You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service that you are expecting from our travel agency?

USER: I am Steven Green from Denver. I want to book a flight ticket having a connection limit 1. Can you help me?

ASSISTANT: Yes, I can help you with the ticket booking. Could you please share me your travelling airport codes?

USER: Sure, my source code is DEN and the destination code is DTW.

ASSISTANT: Ok, can you please tell me your trip dates?

USER: Sure, I am planning to travel on these days 05/11 and 05/13.

ASSISTANT: Ok, please give me a couple of seconds to search the flight.

USER: Sure.

ASSISTANT: Ok, I have found a flight with your requested details, the Hawaiian airlines with the ticket fare 800. Can I proceed?

USER: Ok, can you please check with the ticket fare of 500?

ASSISTANT: Sorry, there are no flights available with the ticket fare of 500 in this route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are most welcome. Thank you for choosing us.