You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit the Oakland museum of California which is located in OAK. Can you avail me to book a connecting flight?

ASSISTANT: Sure,  On which dates would you like me to book a flight ticket for you?

USER: My travel dates are June 16 and 18.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to take off from Washington, DCA.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Please book it on the name of Richard Miller.

ASSISTANT: Do you have any other requirements?

USER: I want to depart and arrive in the morning time.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, please check it in the economy class.

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

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for choosing us.