You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amanda Harris.

ASSISTANT: How can I guide you today?

USER: I have a business meeting in Atlanta. Can you help me for booking a flight ticket from ORD to ATL?

ASSISTANT: Sure, I am glad to help you in booking. Could you please share your travel dates?

USER: My travelling dates are 05/19 and 05/21.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your particular travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.