You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at present?

USER: I am looking to book a flight ticket from ATL to DEN. Can you help me for that?

ASSISTANT: Sure, Let me know your connection limit.

USER: I prefer to book a single connecting flight.

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

USER: My travelling dates are Jan 18 and Jan 20.

ASSISTANT: Ok, Can I have your name please?

USER: My name is Jessica Harris.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: We found a flight in 1001 Southwest Airline with a connected flight and the cost is 100. Can I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for opting our service.