Hi. I am David Jones.
user
Hello. How may I be of your help?
assistant
I want to book  a direct flight ticket to attend an emergency case. Can you help me?
user
Sure, we are here to help you in booking.
assistant
Thank you.
user
Please let me know your takeoff and landing airport codes.
assistant
LGA and IAH are my airport codes.
user
Could you please help me by providing your journey details?
assistant
04/17 and 04/19 are my travelling dates.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
No issue. Thank you.
user
Thank you for opting us.
assistant