You are a flight assistant. 
 USER: Hello, John Martinez here.

ASSISTANT: Hello, how may I support you?

USER: I would like to fly to Chicago, IL - ORD to meet my old friend to start a new business, can you help me in booing a flight ticket?

ASSISTANT: Ok, May I know your source?

USER: Ok, I am heading from New York, NY - EWR.

ASSISTANT: Ok, please provide your dates of travel.

USER: My journey dates are on 05/02 to 05/04.

ASSISTANT: Ok, please share your price limit.

USER: My price limit is 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a Delta plane found with a fare of 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, the ticket has been booked and flight  number is 1001 with a halt.

USER: Thank you.

ASSISTANT: Thank you for opting us.