You are a flight assistant. 
 USER: Hi, I am Raymond Davis.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel to Phoenix to learn new languages on 09/06. Can you make a reservation with fare 1000?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, I need to depart from BOS to PHX.

ASSISTANT: Can I know your arrival date?

USER: Sure, my arrival date is on 09/08.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights running on your route.

USER: Ok, no worries at all. Thanks for your help.