You are a flight assistant. 
 USER: Hi. I am Partick Walker.

ASSISTANT: Hello, How can I aid you?

USER: I want to book a flight ticket to attend my nephew's 1st birthday party at N-JFL from IL-ORD.

ASSISTANT: Ok. I will help you in booking flight.

USER: Thank you.

ASSISTANT: Can I have your travelling dates please?

USER: Sure, 05/24 and 05/26 are my travelling dates.

ASSISTANT: Please re verify your destination airport code.

USER: NY-JFK is my destination airport code.

ASSISTANT: May I know how much you can pay for a flight ticket?

USER: 1000 is my price.

ASSISTANT: Give me a moment, I will check the availability of flights and revert to you.

USER: OK.

ASSISTANT: Thank you for being patience. We found that, here is a flight available with Frontier airline, flight number 1026 with fare 100 and one lay by. Shall I proceed to reserve?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.