You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sandra Williams here.

ASSISTANT: I am here to assist you with your concern, may I know your concern?

USER: Actually, I am looking for a flight having single connection because my friend also booked the same flight that I want to travel, so can you please help me out with booking of a flight ticket from San Francisco on 10/12?

ASSISTANT: Ok, may I know the return dates and airport code of your source.

USER: Sure, I am planning to return on 10/14. I will prefer SFO and LGA as my origin and destination airport codes respectively.

ASSISTANT: Ok, thank you for providing the travel dates.

USER: It's alright.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 200. Can I book?

USER: I am fine with that. You can proceed with booking.

ASSISTANT: Ok, the flight is 1009 which is been booked for your journey and the airlines is AA.

USER: Thank you for your kind assistance in booking of my ticket.

ASSISTANT: Thank you for connecting with our agency.

USER: Welcome.