You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Ronald Williams, can you help me to book a flight ticket from HOU to JFK?

ASSISTANT: Could you please share me your trip dates?

USER: Ok, please book for the dates Jan 19 and 21.

ASSISTANT: Do you have any airline preference?

USER: No, airlines preference.

ASSISTANT: As per your data, there is a flight with Jet Blue airlines and the ticket fare is 300. Shall I proceed for this?

USER: There is a need flight with 1 connection limit and the return time is evening. Please check and book.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you very much for utilising our agency.