You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Phillips.

ASSISTANT: How can I help you?

USER: I want to travel from PHL to HOU. Can you book a ticket for me?

ASSISTANT: May I know your travel dates please?

USER: I need to travel on 03/31 and 04/02.

ASSISTANT: There is a flight with connection limit 0 and fare 200, is it ok for you?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked, flight number 1017.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us.