You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I am Betty Collins, I would like to travel SFO from DTW. Please, assist me to book a flight ticket.

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates are 12/17 and 12/19.

ASSISTANT: I found a flight ticket with 100 price and 1 connection. Shall I proceed?

USER: Yes, please proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.