You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Joseph Mitchell, I need a flight on 12/20 to meet my friend on his birthday. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are gleeful to help you for booking. Can you please share your journey airport codes?

USER: I like to travel from Charlotte,NC CLT and my destination is San Francisco, CA-SFO.

ASSISTANT: Ok, may I know how much do you want spend on your journey?

USER: I will spend up to 200 on flight ticket.

ASSISTANT: Ok, please provide your return date.

USER: I planned to return on 12/22.

ASSISTANT: Thanks for your information, please hold on.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in AA airline with the fare of 200. Can I proceed for booking with a connected flight?

USER: Sure.

ASSISTANT: Ok, the ticket has been confirmed and the flight number is 1014.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for availing our service.