You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket from SFO to HOU. Could you book a ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: Travel dates are Jan, 9 and Jan, 11.

ASSISTANT: Do you have any requirements?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name please?

USER: My name is Patrick Hall.

ASSISTANT: There is a connecting flight in Southwest airline, can I book it?

USER: Please book a flight.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for approaching us.