You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, your good name please?

USER: I am Gregory Campbell.

ASSISTANT: How may I help you today Gregory Campbell?

USER: I am planning to go Chicago for two days.

ASSISTANT: OK.

USER: Can you do the reservation?

ASSISTANT: Sure, we are here to do that.

USER: My airport codes are IAH-ORD. Dates are 11/23 and 11/25.

ASSISTANT: Any price limit you have?

USER: Price should not cross 200. I need a connecting flight.

ASSISTANT: We hardly tried to provide you flight, unfortunately no flights are available to that locations.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for contacting us, hope to serve you better again.