You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: How can I assist you today? Yes, you are at right place.

USER: I want go Seattle in this summer vaction. for enjoying my trip with friends, can you help me in booking flight ticket from Denver?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: This is a small trip, so I want to departure on 07/16 and please book my return ticket also on 07/18.

ASSISTANT: Could you please provide the airport codes?

USER: I want to take off from DEN airport and destination airport is SEA.

ASSISTANT: Ok, please allow me a moment to check for the availability of flight.

USER: Ok.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Stephanie Clark.

ASSISTANT: Stephanie, I found a flight with price fare 100 and the connection limit is 1 with Southwest airline.Would you like me to proceed with the booking?

USER: Please confirm this flight ticket.

ASSISTANT: Your booking is confirmed with 1007 flight number.

USER: Thank you for your help.

ASSISTANT: You are most welcome.