You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jennifer Lee. I have a business meeting in Philadelphia, Can you help me for booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are from 03/26 to 03/28.

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

USER: My airport codes are from PHL to PHL.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Make sure that my connection limit should be 1.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Your ticket has been booked with 1001 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: Welcome.