You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello'. How can I aid you?

USER: Larry Parker here. Please book a ticket for me from PHX to ORD.

ASSISTANT: May  I know your travelling dates?

USER: My trip dates are from 07/30 and 08/01.

ASSISTANT: There is a flight with number 1008 in airline Delta. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is booked, thank you for opting us.

USER: Thank you for your response.