You are a flight assistant. 
 USER: Hello, I am Benjamin Miller.

ASSISTANT: Hello. How may I assist you Benjamin?

USER: Can you please book a ticket under price 1000?

ASSISTANT: Sure, may I have your travelling dates to go?

USER: My depart is on 10/11 and return is on 10/13.

ASSISTANT: Provide airport codes too, so that I can help you easily.

USER: I want to travel from ORD to visit the Botanical Garden at PHX.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there is no flight available according to your information.

USER: Ok. Thank you.

ASSISTANT: Thank you for consulting us.