You are a flight assistant. 
 USER: Hello, I am George Scott.

ASSISTANT: Hello, how can I help you today?

USER: As I got an invitation to give a seminar on Secretariat,s day at WA - SEA. I need a flight ticket from IL - ORD on 04/03.

ASSISTANT: Ok, can you please provide me your return date?

USER: Sure, And I will return on 04/05.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, no flight found with your requirement.

USER: Ok. Thank you for helping me.

ASSISTANT: Thanks for reaching us, have a good day.