You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a flight ticket from ATL to DEN?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are in July from 18th to 20th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Please share your name.

USER: I am Ruth Parker.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 200 and single connection.

USER: Please make sure that flight should depart at morning and return in evening.

ASSISTANT: Sorry to say, no flights found with your given timings.

USER: That's ok, thanks for checking.

ASSISTANT: Thanks for reaching us.