You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from DTW to LGA to meet my family.

ASSISTANT: Sure, may I know your travel dates?

USER: Jan, 10 and Jan, 12 are my planned travel dates.

ASSISTANT: On what name do you like to reserve?

USER: Deborah Evans here.

ASSISTANT: When do you like to depart?

USER: My depart time should be at afternoon.

ASSISTANT: Do you prefer connecting flight or direct flight?

USER: I need connecting flight.

ASSISTANT: We found a economy class flight on your details with United Airlines, flight number: 1009. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.