You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Kenneth Williams, can you help me to book a flight from ORD?

ASSISTANT: Sure, I will help you. May I know your trip dates?

USER: My travelling dates are 06/15 and 06/17.

ASSISTANT: Where you like to go?

USER: My destination place is HOU.

ASSISTANT: Ok, please wait a minute.

USER: Sure, my price limit is 200.

ASSISTANT: There is a direct flight available.

USER: Sorry, I need 1 connection flight.

ASSISTANT: There is no flight available.

USER: That is fine. Thank you for your help.

ASSISTANT: Most welcome.