You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Paul Williams, can you help me to book a flight from JFK to LAS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 01/30 and 02/01.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a single connection.

ASSISTANT: Sorry, there are no flights found.

USER: No issues, thank you for your help.

ASSISTANT: Thank you for reaching us.