You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Could you please help me in booking a flight ticket from SFO to DEN?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey dates are Mar 10 and Mar 12.

ASSISTANT: May I know your name please?

USER: My name is Elizabeth Johnson.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: We found a connecting flight with American airlines, and the fare of 100 in economy class. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1011 flight number.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.