You are a flight assistant. 
 USER: Hi. I am Ashley Wright.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket from CLT to IAD, Can you please help me for booking?

ASSISTANT: Sure, I can help you. May I know your travel dates?

USER: I would like to travel on 02/14 to return on 02/16.

ASSISTANT: Do you need any flag stop in mid way of your journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, but there are no flights on your requested dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.