You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I support you now?

USER: Myself Jason Mitchell.

ASSISTANT: Ok.

USER: I have a plan to buy a new house in  Charlotte, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know the preferable dates of your journey?

USER: Sure, my travelling dates are 09/18 and 09/20.

ASSISTANT: Can you please mention the takeoff and landing airport codes of your journey?

USER: My source code is EWR and my destination code is CLT.

ASSISTANT: Thank you for your information, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Jason, there are no flights found on your requested dates.

USER: That's ok.

ASSISTANT: Do you have any other dates to travel?

USER: No, thank you for your information.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Most welcome.