You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you book a flight ticket from OAK to DEN to attend a conference meeting?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start on Feb, 17 and return on Feb, 19.

ASSISTANT: Thank you, do you have any limits on number of connections?

USER: I would prefer to single connection.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, thanks.

ASSISTANT: May I know your name for the documentation purpose?

USER: My name is Thomas Hill.

ASSISTANT: Delta Airlines providing a flight with the price 200 with single connection. Can I proceed for the booking?

USER: Please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1020.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.