Hi.
user
Hello, how may I aid you?
assistant
I am Margaret Evans. Can you help me to book a flight on 04/12 and 04/14?
user
Sure, could you please provide the codes of airport you want to travel?
assistant
My source and destination airport codes are IAH and DEN.
user
Ok, please wait a moment. Sorry to say, no flights were found on your route.
assistant
Ok, no issues. Thank you for your time.
user
Thank you for reaching us, have a nice day.
assistant