You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your support?

USER: I want to book a flight ticket to meet my grandparent's at DC. Can you help me?

ASSISTANT: Sure, we are mirthful to assist you in booking. Could you please share your source and destination airport codes?

USER: Thank you. ORD and DCA are my airport codes.

ASSISTANT: May I know your name please?

USER: Patricia Lopez.

ASSISTANT: Please let me know if you need a connecting flight.

USER: Yes, I need a break.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: 03/12 and 03/14 are my travelling dates.

ASSISTANT: Can I know if you have any other comforts in between your journey?

USER: No.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No issue. Thank you.

ASSISTANT: Thank you for approaching us.