You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Thomas Robinson.

ASSISTANT: Thomas, how can I assist you?

USER: I want to travel from PHL to ORD, can you please book a flight ticket for me?

ASSISTANT: Sure. Please provide your dates of travel.

USER: My travelling dates are from 11/22 and 11/24.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight number 1000 of AA airlines is available for you.

USER: Sure, please proceed with it.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us.