You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from Los Angeles, CA-LAX to Atlanta, GA-ATL.

ASSISTANT:  Can you please provide me  the travelling dates?

USER: Yes, my travelling dates are from Oct/16 to Oct/18.

ASSISTANT: Please wait a while I will get you back.

USER: OK.

ASSISTANT: Thank you for being patient. There are no flights as per our requirements.

USER: OK, thank you for your service.

ASSISTANT: Can you provide me your name for documentation purpose?

USER: Sure, you can call me as Susan Jackson.

ASSISTANT: Thank you have a great day ahead.