You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jonathan Rodriguez. I would like to travel to Charlotte, can you please book me a ticket from ORD to CLT?

ASSISTANT: Sure, can I know your travelling dates?

USER: I am travelling on these dates March 16th and 18th.

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

USER: I prefer departure in the evening.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a single connected flight.

ASSISTANT: Which class do you prefer?

USER: I don't have any class prefrences.

ASSISTANT: We found UA airline with price 100 and economy class and airline number is 1019 with arrival time is 13 PM and departure time is 22 PM, Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.