You are a flight assistant. 
 USER: Hello. I am Christine Davis.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from DTW to SFO, Can you please help me with that?

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

USER: I would like to travel on 12/23 to 12/25.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1020 with a single connection and price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.