You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, which service are you seeking for today?

USER: I have a plan to visit Oakland. Can you please help me in booking flight ticket from DFW to OAK?

ASSISTANT: Sure, we are mirthful to help you. Can you please mention your departure and arrival dates of your journey?

USER: My trip dates are Oct 03 to Oct 05.

ASSISTANT: Do you need any stopover in between journey?

USER: I need a direct flight.

ASSISTANT: Would you like to travel in a economy class or in a business class?

USER: I am ok with any class.

ASSISTANT: May I know your good name please?

USER: Myself Jeffrey Thompson.

ASSISTANT: Is there any other specifications for you?

USER: I don't have any other specifications.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thanks for choosing us, wish you a great day.