You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from MCO to DEN, can you help me with that?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 10/25 and 10/27.

ASSISTANT: Is there any class preference for you?

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular timing for depart and returning?

USER: No.

ASSISTANT: Your good name please.

USER: I am Timothy Nelson.

ASSISTANT: We found an airline: United Airlines, flight number: 1001 and price is 100 with one connection.

USER: Yes, proceed with that.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.