Hello. Myself Karen Baker.
user
Hello, how may I help you at this moment?
assistant
 I would like to enjoy my weekend trip with my friends. Can you please book a ticket within the price of 200?
user
Sure, I will help you. Please send your journey dates.
assistant
My travelling dates are 09/27 and 09/29.
user
Please provide your nearby airport codes please.
assistant
I want to fly from LAX to SFO.
user
Please wait for a moment.
assistant
Ok, take your time.
user
Sorry, there is no flight available on your required dates.
assistant
That's ok, thank you for checking.
user
You are welcome. Thank you for reaching us, have a nice day.
assistant