You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

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

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

USER: I want to fly on Mar 05 and return on Mar 07.

ASSISTANT: May I know your name please?

USER: Myself Joseph Robinson.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: We found a American airlines, flight number 1020, price is 200 in economy class. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for approaching us.