You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you for the day?

USER: I am Daniel Robinson.

ASSISTANT: Ok.

USER: I am planning to travel from DCA to ORD.

ASSISTANT: Could you share your traveling dates please?

USER: My travelling dates are 05/06 to 05/08.

ASSISTANT: Ok, please wait for  a while. Sorry, there are no flights found on your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your help.

ASSISTANT: Your are welcome.