Hello.
user
Hello, how may I help you?
assistant
I am Nancy Davis. Please help me in booking a flight ticket from DFW to LGA.
user
Sure, can you please let me know your travelling dates?
assistant
07/19 and 07/21 are my preferable travel dates.
user
Do you require any specifications in your journey?
assistant
I need a connecting flight and my depart time should be at morning.
user
Do you have any airline preference?
assistant
No.
user
 Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.
assistant
Ok, not a problem.
user
Thank you.
assistant
Thank you for the information.
user