You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Hall here.

ASSISTANT: How can I aid you?

USER: I am looking a flight from EWR to DCA, can you help me?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are 30 June and 02 July.

ASSISTANT: Do you have any specific requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: It's ok, thank you for giving information.

ASSISTANT: Thank you for reaching us.