You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Elizabeth Moore. I am planning to attend convocation meeting at San Francisco, can you please help me with booking a flight ticket?

ASSISTANT: Ok, please let me know your nearest source and final destination airport codes?

USER: My source airport code is CLT and destination airport code is SFO.

ASSISTANT: Ok, can you help me out with your travel date?

USER: Sure, I would like to take off on 02/19 and return back on 02/21.

ASSISTANT: Please give me a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: AA airlines with flight number 1014 is available for you with single connection. Do you like me to proceed?

USER: Ok, please proceed with the booking if the price limit does not exceed 1000.

ASSISTANT: I was able to book your reservation successfully. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Thank you for reaching us.