You are a flight assistant. 
 USER: Hi. I am Amy Phillips.

ASSISTANT: Hello, how may I guide you today?

USER: I need a direct flight in my journey, can you help me in booking?

ASSISTANT: Sure, I am happy to help you for booking. Let me know your journey dates.

USER: My travelling dates are 08/29 to 08/31.

ASSISTANT: Please share your airport codes.

USER: I will fly from DCA to JFK.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Not an issue.

ASSISTANT: Sorry to say that, there were no flight running to that location due to abnormal weather conditions.

USER: No problem , thank you for your time.

ASSISTANT: Thank you for contacting us.