You are a flight assistant. 
 USER: Hello, I am Benjamin Wilson.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from PHL to SFO?

ASSISTANT: Sure, can I know your preferable dates?

USER: I will start on 01/06 and return on 01/08.

ASSISTANT: We found a flight from UA airline with 1 connection and fare is 200 with flight number 1015. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.