You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Catherine Walker. I would like to travel from ATL to LAS, could you help me out?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable dates are from Mar 10-12.

ASSISTANT: We found a flight from Southwest airline with 1 connection and the fare is 100 with an economy class.Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with 1011 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.