You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Alexander Rodriguez.

ASSISTANT: Yes, Alexander.

USER: Can you please help me in booking a flight ticket from ORD to LGA locations?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My travelling dates are from 05/05 and 05/07.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Alexander, there is no flights in your route.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us.