You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Donald Green, I would like to travel from ORD to JFK. Could you please help me to book a flight?

ASSISTANT: Your preferable date of travelling? Sure.

USER: My departure date is 07/16 and my arrival date is 07/18. Make sure that my price limit should be 200 and connections is 1.

ASSISTANT: Please, wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there no flights for 1 connection limit.

USER: Ok, Thank you for your information.

ASSISTANT: Thank you for connecting with us.