You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I want to book a flight from DCA to attend a meeting at AUS. Can you find me a flight?

ASSISTANT: Sure, I am gleeful to assist you. On which dates would you like me to book a flight ticket for you?

USER: I will fly on Aug 19 and return on Aug 21.

ASSISTANT: Do you prefer any way station in between journey?

USER: Yes, I want a connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Shirley Martinez.

ASSISTANT: Do you have any other specifications?

USER: I want my return flight in evening.

ASSISTANT: Ok, please wait for awhile.

USER: Sure.

ASSISTANT: We found a flight in 1010 American Airlines with a fare of 100. Can I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you fro helping me.

ASSISTANT: Thank you for availing us.