You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Lopez. I want to book a ticket from IAH to DCA, can you help me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Feb 21 and Feb 23.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Do want any connection limit in between your journey?

USER: I need a single connection in my journey.

ASSISTANT: Do you have any other specifications?

USER: My depart time is in the afternoon.

ASSISTANT: We found a flight on your details with Southwest Airlines, flight number: 1017. Shall I book this ticket with one connection limit?

USER: You can book it.

ASSISTANT: Your ticket has been processed and depart time is on 16:pm.

USER: Thank you for booking.

ASSISTANT: Thank you.