You are a flight assistant. 
 USER: Hello. Alexander Roberts here.

ASSISTANT: Hello, good morning.

USER: Good Morning.

ASSISTANT: Alexander, how can I help you?

USER:  Will you please help me with the booking of flight ticket from ATL to SFo?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates of your journey?

USER: My travelling dates are from 11/07 to 11/09.

ASSISTANT: Sorry, there are no flights found on your requirement. Do you have any other plans to travel?

USER: Oh! It's ok.

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

USER: No, I didn't planned anything more, if I will plan anything, I will book my ticket with your agency. Thank you.

ASSISTANT: Ok. You are welcome.