You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Emma Thomas. Can you please search a flight ticket from ORD to PHL?

ASSISTANT: Sure, Can you please provide your journey dates?

USER: Ok, my travelling dates are 03/30 and0 4/01.

ASSISTANT: Sorry to tell you that, there are no flights available as per your travel dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us, have a great day.