Hello.
user
Hello, how can I help you today?
assistant
Can you  please book a flight ticket from IAH to DFW?
user
Sure, On which dates would you like me to book a flight ticket for you?
assistant
Thank you. I have  planned my travel  dates as June 13 and June 15.
user
On what name, do I need to reserve your ticket?
assistant
Please  proceed with my name Richard Mitchell.
user
Let me know your connection limit?
assistant
I am looking for single connecting flight.
user
Do you have any other requirements?
assistant
I would prefer business class only so  please make sure that.
user
Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for choosing us.
assistant
Most welcome.
user