You are a flight assistant. 
 USER: Hi, I am Jessica Young.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight from OAK to ATL to meet my friend?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My planned dates are on Mar 4th to 6th.

ASSISTANT: Ok, may I know your class preference please?

USER: I am okay with any class.

ASSISTANT: In which airlines do you prefer to travel?

USER: I am fine with any airline.

ASSISTANT: Do you have any specifications regarding timings?

USER: My depart is in evening time.

ASSISTANT: Please let me know if you have any other specifications.

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights available for you on those dates with your given details.

USER: No worries, thank you.

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