You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Jeffery Scott. Can you please help me in booking my flight ticket from LAS to JFK?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are July 16 and July 18.

ASSISTANT: Do you have any other specification?

USER: I need connecting flight in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: Ok, fine thank you for checking.

ASSISTANT: Thanks for reaching us.