You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Steven Walker. Can you please search a flight ticket for me from Denver-DEN on 01/10? Because I have to attend a birthday party in Washington.

ASSISTANT: Sure, I will help you with booking.

USER: Thank you for accepting my request.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is IAD.

ASSISTANT: Please share me your return journey date?

USER: I want to return back on the date of 01/12.

ASSISTANT: Please mention your connection limit?

USER: Yes, I prefer to travel in the single connecting flight. So, please provide me the best flight.

ASSISTANT: Thank you for details, I found a connecting flight 1026 of airline Hawaiian and fare is 200. Shall I proceed with booking?

USER: That's fine, please proceed with the ticket booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for visiting us, we hope see you again.

USER: You are most welcome.