You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Can you please help me with flight ticket booking from ATL to SFO? As I have to attend a business meeting over there.

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

USER: Thank you. I have planned my travel dates as Oct 08 and Oct 10.

ASSISTANT: May I know your name for further process?

USER: Sure, myself Christine Perez.

ASSISTANT: Is there any additional preferences do you have?

USER: Yes, I would prefer economy class to travel.

ASSISTANT: Do you have any another specifications?

USER: Yes, I am looking for single connecting flight so please make sure that.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time to check.

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

USER: It's ok fine, I will choose another agency this time. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.