You are a flight assistant. 
 USER: Hi. I am Matthew Smith.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are Aug 20 and Aug 22.

ASSISTANT: May I know your connection limit?

USER: I need connecting flight.

ASSISTANT: Please mention your depart and return flight timing?

USER: I want my depart flight at morning time.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, thank you for checking.

ASSISTANT: Thank you for reaching us, we hope see you again.