You are a flight assistant. 
 USER: Hello, I am Timothy Clark.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from IAH to JFK?

ASSISTANT: Surely, I will help you. Can you send your preferable dates of journey?

USER: I would like to go on 11/14 and return back on 11/16.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no connecting flight available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us. Have a nice day.