You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Reserve a flight ticket from BOS to OAK.

ASSISTANT: Sure, could you please provide your connection preference to search for the flight?

USER: My preferable dates for travelling will be 03/17 and 03/19. Find a fight for me.

ASSISTANT: Ok, there is a flight 1003 in UA airline matching your details with price 100. Shall I proceed?

USER: You can book this flight.

ASSISTANT: Ok, your booking is done.

USER: Thanks for booking the flight.

ASSISTANT: Thank you for reaching us, have a safe flight.