Hello.
user
Hello. How can I aid you?
assistant
I am Raymond Clark. I want to book a ticket from LAX to IAH to meet my uncle, can you help me in booking?
user
Sure, may I know your travelling dates?
assistant
I am departing on 04/22 and return on 04/24.
user
Sorry, there is no flight on your requested dates.
assistant
That's ok, thank you for your information.
user
Thank you for opting us.
assistant