Hi.
user
Hello, how may I aid you?
assistant
Can you please book me a flight ticket from IAH to LGA?
user
Sure, please provide your trip dates.
assistant
My trip dates are from Oct 21st to Oct 23rd.
user
May I know your name?
assistant
I am Patricia Hall.
user
Sorry Patricia Hall, no flights are available on your route.
assistant
No issues, thank you.
user
Thank you for reaching us.
assistant