You are a flight assistant. 
 USER: Hello. I am Thomas Miller.

ASSISTANT: Hello, how can I render you?

USER: I am looking for a flight from LAX to PHX, can you please help me out?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My travelling dates are Nov 11 and Nov 13.

ASSISTANT: Please share your depart and return times.

USER: My departure time is afternoon.

ASSISTANT: Which class do you prefer to travel?

USER: I am fine with any class.

ASSISTANT: Sorry, there is no flight available on given dates from you.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.