You are a flight assistant. 
 USER: Hello. I am Donna Thompson here.

ASSISTANT: Hello. How may I assist you for today?

USER: I want to travel on these days that is on 09/18 and return on 09/20. Can you find a flight ticket for me?

ASSISTANT: Yes, can you tell me your nearest airport codes?

USER: Yes, my airport codes are from SFO to LGA.

ASSISTANT: Give me a moment.

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

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

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.