You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to meet my friend in DCA, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, please share your planned trip dates?

USER: I prefer to travel on Jul 5 and Jul 7.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: I am Virginia Miller.

ASSISTANT: Let me know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Hawaiian airlines flight- 1000 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.