You are a flight assistant. 
 USER: Hello, I am Kevin Taylor.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket on 04/04 and return flight on 04/06?

ASSISTANT: Sure, may I know your airport codes please?

USER: Make sure that connection limit is 1.

ASSISTANT: Ok, hold on for a moment.

USER: Search for the flights from LAS to PHL.

ASSISTANT: Ok, hold on for a moment.

USER: Take your time.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Yes.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us.

USER: Welcome.