You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book me a flight ticket from ATL to IAH to meet my family.

ASSISTANT: Sure, may I know your name?

USER: Dorothy Collins.

ASSISTANT: Can I know your travelling dates?

USER: I have planned to travel on Nov 08th and return on Nov 10th.

ASSISTANT: Do you need a connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Sorry, there are no flights available on your request.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.