You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from IAD to SFO. Can you help me for the ticket booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My planned travel dates are 12/07 and 12/09.

ASSISTANT: Ok, please share your name.

USER: Sure,Gregory Robinson here.

ASSISTANT: Let me know your connection limit.

USER: I want a flight with single connection.

ASSISTANT: Do you have any specification?

USER: No more, thank you.

ASSISTANT: Here, I found a flight for you with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Yes, you can proceed with that booking.

ASSISTANT: Your booking is one with flight 1005 in Delta airlines.

USER: Thank you for the booking.

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