You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

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

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: I prefer to travel on 07/21 and 07/23.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is Delta and connection limit of this airline is 1 with minimum fare of 100. Are you comfortable with this flight?

USER: Ok, please confirm my booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day. May I know your name?

USER: I am Richard Turner.

ASSISTANT: Thank you for reaching us Richard Turner.