You are a flight assistant. 
 USER: Hello, my name is Sandra Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from PHX to OAK.

ASSISTANT: Sure Lewis. Please tell me your trip dates?

USER: My travel dates are 12/18 to 12/20.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Yes, there is a flight 1001 of Southwest airline available for you.

USER: Please book a ticket for me.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.