You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Stephen Clark. I need to attend a wedding in Seattle.Can you book a ticket from CO - DEN to WA - SEA?

ASSISTANT: Can I know your travel dates?

USER: I want to depart on 07/19 and return by 07/21. Make sure that the connection limit is 1.

ASSISTANT: Regarding your details, I got a flight with flight number 1001. Can I proceed?

USER: Can I know the price?

ASSISTANT: Price is 100.

USER: Proceed with the booking.

ASSISTANT: Your ticket was confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.