You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to make a trip from CLT to ATL. Can you please help me with the booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I want to start my journey on Feb 13 and need to end it on Feb 15.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Let me know your class preference.

USER: I want to travel in an business class flight.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Do you have your specific depart and arrival timings?

USER: No.

ASSISTANT: Please, provide me your name to proceed.

USER: My name is Nicole Baker.

ASSISTANT: Sorry, there are no flights found on your desired routes.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.