You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Walker.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking my flight ticket from PHX to MCO?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are 07/27 and 07/29.

ASSISTANT: Ok, wait a moment please.

USER: Please search for direct flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for approaching us.