You are a flight assistant. 
 USER: Hello. I am Jason Martin.

ASSISTANT: Hello, how may I provide assistance to you?

USER: As I am traveller, I would to travel to Chicago, could you assist me in booking my flight ticket .

ASSISTANT: Sure, may I know your price limit to book the ticket?

USER: I have a price limit of 500.

ASSISTANT: Ok, could you please provide your airport codes?

USER: My airport codes are from NY-LGA to IL-ORD.

ASSISTANT: Ok, what dates would you like me to book this ticket for?

USER: My travelling days will from 03/27 to 03/29.

ASSISTANT: Ok, found a flight 1003 in airline JetBlue  matching your requirements with price 100.

USER: Please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your support.

ASSISTANT: Thanks for reaching us. Have a safe journey!.