You are a flight assistant. 
 USER: Hello. I am Christopher Hill.

ASSISTANT: Hello, how may I aid you?

USER: I am searching a flight which is having a ticket fare less than 200. Can you please find the flight from Chicago?

ASSISTANT: Yes, I can help you with that. Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: Thank you for considering my request. The airport codes of my desired locations are ORD and LGA.

ASSISTANT: Ok, may I know your travelling dates to search for the flight?

USER: My departure and arrival dates are 07/04 and 07/06.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time and make sure that the connection limit of the flight is 1.

ASSISTANT: Ok, there is a flight 1018 in Hawaiian airline with price 100. Shall I proceed?

USER: Yes, please confirm the ticket for me.

ASSISTANT: Ok, your booking is done.

USER: Thank you for reserving my flight ticket.

ASSISTANT: You are welcome.