You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to book my ticket from ATL to DCA. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My planned travel dates are from Aug 21 to Aug 23.

ASSISTANT: May I know your name?

USER: Sure, myself Michelle.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the evening time only.

ASSISTANT: Ok, wait for some time.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Let me know your full name please?

USER: I already mentioned please check it. Michelle Jones.

ASSISTANT: Thanks for approaching us.

USER: Thank you for your service.