You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your name please?

USER: Myself Timothy Jackson.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I planned my trip on the dates Jan 7 and Jan 9.

ASSISTANT: May I know your class preference please?

USER: No, I am happy with any class.

ASSISTANT: Would you like to take break in between your journey?

USER: No, I am looking for a direct flight.

ASSISTANT: Sorry Jackson, there is no flight found as per your travelling details.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.