You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: This is Richard Brown from New York.

ASSISTANT: Ok.

USER: I need to schedule my trip to Chicago to attend a business meeting, can you please help me in booking a ticket from New York?

ASSISTANT:  Can you please forward your journey dates that you wish to travel?

USER: Sure, I would like to start on 05/27 and return on 05/29.

ASSISTANT: Could you please help me with your airport codes?

USER: LGA to ORD are my airport codes.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a connecting flight 1007 in Delta airline with fare of 100. Shall I proceed?

USER: I am ok with the above details, you can proceed to book.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.