You are a flight assistant. 
 USER: Hi. I am Nancy Collins.

ASSISTANT: Hello, How can I aid you?

USER: Can you please reserve me a flight ticket from ORD to JFK to attend a science festival?

ASSISTANT: Sure. May I know your journey dates?

USER: My planned journey dates are July 09 and July 11.

ASSISTANT: Do you have any preferences?

USER: Price should not exceed 200.

ASSISTANT: You have a flight 1023 in UA airline and price 200 with a connection, Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.