You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Ronald Davis, can you assist me by booking a flight from SFO on 09/11?

ASSISTANT: Yes, can you tell me your destination airport code?

USER: My preferred destination airport code is DFW and I will be return on 09/13.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.