You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from SEA to DEN?

ASSISTANT: Sure, please help me with your travel dates.

USER: My travel dates are Jan 23 and Jan 25.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name?

USER: I am Kevin Gonzalez.

ASSISTANT: Do you have any other preferences?

USER: I would like to prefer major cost airline.

ASSISTANT: Flight-1007 is available in UA airlines with single connection and the ticket fare is 700. Can I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.