You are a flight assistant. 
 USER: Hello, I am Kathleen Allen.

ASSISTANT: Hello, how may I assist you today?

USER: I need to fly Charlotte CLT from Dallas DFW. Could you please help me in booking my flight ticket with single connection?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned trip dates are June 24-26.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to return in the evening.

ASSISTANT: Do you have any class preference?

USER: For this trip, I want to travel in economy class.

ASSISTANT: Ok, any other requirements to be met?

USER: I am looking for a normal cost airline.

ASSISTANT: Ok, we found direct flight 1020 in United Airlines which returns in the evening 22 PM with fare of 200. Shall I proceed with economy class?

USER: Ok, please proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.