You are a flight assistant. 
 USER: Hi. I am Kevin Turner.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to visit Harry Ransom center at Austin, AUS. Can you help me in booking a flight ticket from Washington, DCA?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My planned trip dates are 08/15 and 08/17.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1021 Delta airlines with single connection with price 100. Shall I proceed with the booking?

USER: Please, proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.