You are a flight assistant. 
 USER: Hello, I am Steven Green.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to attend conference meeting at Boston.

ASSISTANT: Could you please provide your journey dates?

USER: My travelling dates are from 05/11 to 05/13.

ASSISTANT: Can you please provide your source and destination?

USER: I would like travel from TX-AUS and return to MA-BOS.

ASSISTANT: We found a flight with airline Delta and airline number is 1021 with one connection. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your tickeyt has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for contacting us.