Hello.
user
Hello, how can I help you?
assistant
Can you aid me to book a flight ticket from JFK to OAK?
user
Sure, may I know the travelling dates?
assistant
My trip dates are Dec 5 and Dec 7 respectively.
user
 Are there any other specifications?
assistant
I prefer for connecting flight and economy class to travel.
user
May I know your name?
assistant
Laura Jones here.
user
Do you have any other requirements?
assistant
My depart time should be in the evening.
user
 Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
Thank you.
user
Thank you for opting us.
assistant