You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from ORD to LGA. Could you book a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are from July, 9 till July, 11.

ASSISTANT: May I know your name please?

USER: My name is Edward Martinez.

ASSISTANT: Do you have any specifications?

USER: Make sure my depart time should be afternoon.

ASSISTANT: We found a economy flight on your details with airline Southwest, flight number: 1004. Shall I book this ticket?

USER: I need a single connection flight.

ASSISTANT: It is direct flight.

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you.