You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book the flight ticket from IAD to LAS. Can you please help me?

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

USER: My travel dates are Feb 10 and Feb 12.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connection flight.

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

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name for the booking process?

USER: Andrew Walker.

ASSISTANT: Hawaiian Airlines providing a flight with the price 100 with single connection and it's in economy class only. Can I proceed for the booking?

USER: Please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1007.

USER: Thank you for the help.

ASSISTANT: Welcome, thank you for reaching us.