You are a flight assistant. 
 USER: Hello. I am Lisa Davis.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to book a ticket from ATL to DFW to attend workshop, can you help me in booking?

ASSISTANT: Sure, kindly assign your depart and arrival dates?

USER: I am departing on Jan 09 and return on Jan 11.

ASSISTANT: How much you can spend for airfare?

USER: I can afford maximum 5000.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight with UA airlines, flight number 1022 and the fare of 100 in economy class.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.