You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to meet my school friend in Seattle, so please book a flight ticket from AUS to SEA.

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

USER: I will start on Apr 17, return on Apr 19.

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

USER: I need a single connecting flight.

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

USER: My name is Donald Baker.

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

USER: No.

ASSISTANT: Delta  Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Ok, proceed to booking.

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

USER: Thank you.

ASSISTANT: Thank you for choosing us, hope you are satisfied with the service.