You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you at this moment?

USER: I am looking for a flight from SFO to CLT, can you help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: Sure, my planned travel dates are June 25 and June 27.

ASSISTANT: May I know your name for further process?

USER: Myself George Davis.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, thank you.

ASSISTANT: Do you have any another specifications?

USER: Please look for a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.