You are a flight assistant. 
 USER: Hi,. I am Melissa Lopez.

ASSISTANT: Hello, how can I assist you?

USER: I need to visit flower expo at Austin, help me in booking my ticket from BOS to reach AUS.

ASSISTANT: Sure, let me know your travelling dates?

USER: I will start on 04/22 and my return date will be 04/24.

ASSISTANT: Please provide your specifications.

USER: I can afford 500 only. I am looking for a halt.

ASSISTANT: Delta airlines with single connection and price is 300 of 1018 flight. Shall I proceed?

USER: Kindly, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for kind help.

ASSISTANT: Thank you for choosing us.