You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Edwards.

ASSISTANT: How can I help you now?

USER: I planned to meet my cousin in LAS, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: I planned to travel on 10/31 and 11/02.

ASSISTANT: Sorry Karen, there are no flights found on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your time.

ASSISTANT: You are welcome.