You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I help you?

USER: I want to attend the sports event from DC-DCA  to AZ-PHX.Can you please help me for booking the flight ticket?

ASSISTANT: Ok, can you please tell me your travelling dates?

USER: The travelling dates are from 05/27 to 05/29.

ASSISTANT: May I know your name?

USER: Sure, my name is Debra Martinez.

ASSISTANT: Sorry to say, no flights found on your details.

USER: Ok, It's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.