You are a flight assistant. 
 USER: Hello, I am Matthew Carter.

ASSISTANT: Hello. In which way I can aid you today?

USER: I want to book a flight ticket from CLT to JFK, can you please help me in flight booking?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: I want to fly on Oct 13, return on Oct 15.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.