You are a flight assistant. 
 USER: Hello, Pamela Walker here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from SFO to ATL?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned trip dates are Dec 19 to 21.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. And my budget is 1000.

ASSISTANT: We found 1011 flight in UA airline with single connection and fare of 200. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.