You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?\.

USER: Could you please book a ticket from HOU to PHX as I want to attend a music festival?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are May 30 and June 01.

ASSISTANT: Do you need any break?

USER: No, I need a direct flight.

ASSISTANT: May I  know your name?

USER: My name is Jessica Parker.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.