You are a flight assistant. 
 USER: Hello. My name is Carol Hall.

ASSISTANT: Hello Hall, how may I assist you?

USER: I have a business meeting in Philadelphia. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I am gleeful to help you out. Please provide me your trip dates?

USER: My travelling dates are from 06/23 till 06/25.

ASSISTANT: May I know your location airport codes please?

USER: My travelling airport codes are from ORD to PHL.

ASSISTANT: Here is a flight with 1 stop and price is 200, can I proceed with it?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with 1011 flight in  UA airlines.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.