You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jack Moore. I am looking for a flight from PHX to OAK, can you help me out please?

ASSISTANT: Sure, I will help you. Please tell me your travel dates.

USER: My trip dates are from 06/04 till 06/06.

ASSISTANT: Ok, please wait a minute. Sorry, there are no flights in this route.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: My pleasure, thank you for reaching us.