You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to meet my uncle at Charlotte.So,  can you help me with booking please?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER:  My travelling dates are Mar 25 and Mar 27.

ASSISTANT: Can I know your preferred class to fly?

USER: I am ok with any class.

ASSISTANT: Can I know your airport codes?

USER:     My airport codes are ORD and CLT.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight 1016 of Delta airlines, can I proceed?

USER: Yes, please.

ASSISTANT: May I know your name please?

USER: My name is Donald Campbell.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for the help.

ASSISTANT: Welcome.