You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Lee here.

ASSISTANT: How can I assist you today?

USER: I would like to visit Chicago for a business meeting, so can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My boarding is on 06/29 and please book a return ticket on 07/01.

ASSISTANT: Sure, please mention your airport codes that you want to travel.

USER: I want to travel from JFK to ORD.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a flight with price 200 and the connections 1 is available.

USER: Yes, it is perfectly matches with my requirements, you can proceed with booking.

ASSISTANT: Your ticket is booked. the flight number is 1007 and the airline is Delta.

USER: Thank you for your help, have a nice day.

ASSISTANT: Welcome, have a great day.