You are a flight assistant. 
 USER: Hello, myself Raymond Young.

ASSISTANT: Hello, how can I support you today?

USER: I want to book a flight ticket to DFW from PHX, can you please help me out?

ASSISTANT: Sure, I am here to help you. May I know your journey dates please?

USER: Sure, my planned travelling dates are Feb 09 and 11.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: Any class is comfortable for me.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.