You are a flight assistant. 
 USER: Hello. Sarah Wright here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help to book my flight from ORD to reach ATL, as I have a meeting there?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travel dates are June 25th and June 27th.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable in any class.

ASSISTANT: Will you please let me know your depart and arrival timings?

USER: I want to return in the evening.

ASSISTANT: Is there any more preferences, do you have?

USER: I need a single connecting flight.

ASSISTANT: We found a connecting flight 1011 from Frontier airline has fare 100, the arrival time is 0:00 AM. Shall I proceed.

USER: Ok, please proceed by booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.