You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: I am planning to travel to CLT, can you help me to book a flight from SFO?

ASSISTANT: Ok, let me know your trip dates.

USER: My planned dates are 12/25 and 12/27.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

ASSISTANT: Before I proceed, may I know your name please?

USER: My name is Robert Anderson.

ASSISTANT: There is a flight-1010 available with Delta airlines and the ticket fare is 100 only. Shall I book the ticket?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.