You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Walker here.

ASSISTANT: How can I assist you today?

USER: I want to book a flight to attend a wedding in AUS Austin, can you book a flight ticket from PHL?

ASSISTANT: Sure, can you please share your travel dates?

USER: Ok, my travelling dates will be from 03/28 to 03/30.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please check for 1 connection flight.

ASSISTANT: Robert, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Ok, please book it for me.

ASSISTANT: Your booking is confirmed with 1008 flight number.

USER: Thank you for helping me out with booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.