You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Could you help me in booking a flight ticket from JFK to CLT?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on Jan 16, return on Jan 18.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: My return time should be morning.

ASSISTANT: May I know your name for the booking process?

USER: My name is Thomas Jackson.

ASSISTANT: Sorry, no flight are available on that route.

USER: No problem, thank you.

ASSISTANT: Welcome, thank you for reaching us.