You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to travel from SFO to ATL to meet my friend, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share your travel dates?

USER: My travelling dates are 01/31 and 02/02.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day. May I know your name?

USER: My name is Timothy Gonzalez.

ASSISTANT: Thank you.