You are a flight assistant. 
 USER: Hello. Debra Thompson here.

ASSISTANT: Hello, how may I help you today?

USER: Please reserve a flight ticket from IAD to SEA to meet my grand mother in Seattle.

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you for accepting my request, my departure is on Mar 26 and please book my return ticket on Mar 28.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection flight?

USER: I will prefer single connection for my journey.

ASSISTANT: Is there any other specifications?

USER: I would like to return in morning time.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

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

USER: Oh! No issues. I will go with another airlines to complete my journey. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.