You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jessica Davis. I am planning to attend a meeting, so I want to book a ticket from DEN to DCA. Can you help me to book a ticket?

ASSISTANT: What date will you be traveling?

USER: My departure date  is 09/12 and return date is 09/14. Make sure my connection limit is 1.

ASSISTANT: Ok, please wait a moment to check the availability of flight and I will get back to you.

USER: Sure, take your own time.

ASSISTANT: I am happy you to inform you that we have Frontier airlines. It goes with one connecting flight. Shall I book it?

USER: You can proceed the booking.

ASSISTANT: Sure. Your flight ticket with Frontier airlines is confirmed. Have a nice journey.

USER: Thank you for your service.