Hello, I am Charles Davis.
user
Hello, how may I aid you today?
assistant
I would like to go to a event in Houston, so could you please book a ticket for me?
user
Sure Davis, I am here to help you out. Please provide me your location airport codes.
assistant
Sure, my source and destination airport codes are OAK and IAH.
user
Please mention me your trip dates to check the best flight in your route.
assistant
I would like to go on 04/16 and return back on 04/18.
user
Sorry Davis, there is no flight with your desired travel dates.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant
Welcome.
user