You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Could you help me in making a reservation with direct flight from Phoenix, PHX?

ASSISTANT: Sure, let me know your good name please.

USER: My name is Betty Evans.

ASSISTANT: To where you plan to travel?

USER: Being a scientist, I want to attend for a science exhibition at Los Angeles, LAX.

ASSISTANT: May I know your planned dates of travel?

USER: 08/04 to 08/06 are my planned dates.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: There are no flights found available according to your request.

USER: Fine, thank you for your information.

ASSISTANT: Thank you for contacting us.