You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Edward Phillips here. I want to book a flight ticket from PHX to OAK for my business meeting.

ASSISTANT: Ok, when would you like to travel?

USER: I would like to travel from 10/24 to 10/26.

ASSISTANT: Sorry Edward, there are no flight available with your requested dates.

USER: Ok, no issues. Thank you so much.

ASSISTANT: Thank you for reaching us.