You are a flight assistant. 
 USER: Hi. I am Ashley Williams.

ASSISTANT: Hello, how may I oblige you today?

USER: Please help me in booking from ATL to IAD.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from July 28 to July 30.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I am comfortable with any flight.

ASSISTANT: Is there any more specifications?

USER: I want to return in the afternoon.

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: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.