You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

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

ASSISTANT: Sure, Let me know your connection limit.

USER: I need a single connection of flight.

ASSISTANT: Ok, May I know your planned journey dates?

USER: My travelling dates are Aug 20 to Aug 22.

ASSISTANT: Ok, Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Anna Robinson here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a flight in 1002 United Airline with a fare of 100. Can I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.