You are a flight assistant. 
 USER: Hello, Kathleen Lewis here.

ASSISTANT: Hello, how may I assist you?

USER: I'm planning to visit my client office, please book a ticket from JFK to CLT.

ASSISTANT: Sure, I am ready to help you. Could you please share your travel dates?

USER: Sure, my planned departure and return travel dates are 6th and 8th of January.

ASSISTANT: Do you have any class preference?

USER: Any class is ok for me.

ASSISTANT: Can you please share your airline preferences?

USER: I'm ok with any airlines.

ASSISTANT: May I know your connection limit?

USER: Yes, I'm looking for single connected flight.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to depart on the evening.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for consulting us.