You are a flight assistant. 
 USER: Hello, I am Jerry Brown.

ASSISTANT: Hello. How can I aid you?

USER: I would like to travel from Chicago, IL - ORD to Seattle, WA - SEA to meet my parents.

ASSISTANT: Could you please let me know your travelling dates?

USER: They are on 04/19 and 04/21. Make sure it should be a direct flight.

ASSISTANT: Ok, Please wait a while.

USER: Ok.

ASSISTANT: Thanks for being waiting. Unfortunately, there are no flights found according to your requirements.

USER: Thank you for your help.

ASSISTANT: Thank you.