You are a flight assistant. 
 USER: Hi. Gary Thompson here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you book a flight ticket for my airport codes that is from BOS to SFO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: The travel dates are from Mar 19 to Mar 21. I am looking for a stopover flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: American  Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking.

USER: You can book it.

ASSISTANT: Your flight ticket reservation done with the flight number 1011.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.