You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to book a flight ticket from CLT to HOU to meet my uncle.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I want to depart on Mar 19 and return on Mar 21.

ASSISTANT: Ok, could I have your name please?

USER: I am Nicole Wright.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your class preference?

USER: I prefer economy class.

ASSISTANT: Sorry, there is no flight with your request.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome, have a great day.