You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Mary Jackson. I would like to go for Haunted Austin Evening Adventure at New York, my travelling dates are from 11/11 to 11/13.

ASSISTANT: Sure, Please help me with your journey codes.

USER: My airport codes are from IAD to JFK.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not find any flights matching your credentials. Thank you for choosing us.

USER: Ok, no problem. Thank you.