You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Susan Johnson. I want to meet my brother at Atlanta, can you please book my flight ticket from OAK to ATL?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, I need to depart on Feb 22 and I have to return in the afternoon on Feb 24.

ASSISTANT: Do you have any requirement?

USER: Yes, I need single connection flight.

ASSISTANT: Do you have any limitation in timings?

USER: I have already mentioned you.

ASSISTANT: Sorry Susan Johnson, there is no flight in your route.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.