You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Helen Roberts here. I want to meet my ex-husband, so please book my ticket from IAD to DEN.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My itinerary dates are 05/30 and 06/01.

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

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for your positive response.

USER: Thank you for your help.