You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Can you please find a flight for me to travel from DEW to CLT?

ASSISTANT: Sure, On which dates would you like to travel?

USER: I will start on Sept 11th and return back on Sept 13th.

ASSISTANT: Ok, may I know your class preference?

USER: I prefer business class.

ASSISTANT: Ok, do you need any stop over in between the journey?

USER: I am fine with a single connection.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: May I know your  name please?

USER: My name is Margaret Adams.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.