You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have a cycle race in Las Vegas LAS, can you please search a flight ticket from PHX airport code?

ASSISTANT: Sure, please provide me your name to proceed further.

USER: Myself Gregory Lopez.

ASSISTANT: May I know your journey dates please?

USER: My travelling dates are 03/31 and 04/02.

ASSISTANT: There are no flights available at this moment, Lopez.

USER: Ok, fine. Thank you for spending your time.

ASSISTANT: Thank you for contacting us.