You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning for vacation at Charlotte with my friend. Can you find me a flight?

ASSISTANT: I am here to help you to book a flight ticket. Sure, can you please let me know your trip dates?

USER: I plan to travel on Apr 18 and return on Apr 20.

ASSISTANT: Would you like to fly with connecting flight or do you want to fly with direct flight? Please let me know.

USER: I prefer a connecting flight.

ASSISTANT: Do you want to fly with business class flight or economy class flight for your journey?

USER: I fine with any class.

ASSISTANT: Are you comfortable to fly with any airline or do you prefer any specific airline?

USER: I am comfortable with any airline.

ASSISTANT: At the time of depart and for your return journey, do you have any specific time preference?

USER: Please provide me any flight.

ASSISTANT: If you can help me with your region airport codes, I can check for the flights availability?

USER: My source point is DTW and destination is CLT.

ASSISTANT: Thank you for sharing all the requirements that you prefer for your journey. Please allow me 2-3 minutes.

USER: Ok, I will wait for your replay.

ASSISTANT: Thank you for waiting, there is a flight available for the mentioned dates. Spirit Airlines is providing a connecting flight with 1010 flight number and airfare is 100. Are you comfortable with this flight?

USER: Yes, It is good for me.

ASSISTANT: To proceed with booking, may I know your name?

USER: My name is Kathleen Lewis.

ASSISTANT: Your ticket is reserved for a economy class and the depart time is 19:00 hours and the arrival time is 9:00 hours.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching our chat service. Hope we see your again!.