You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dennis Young.

ASSISTANT: How can I assist you at this moment?

USER: Can you please book a flight ticket from HOU to PHL?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: Thank you for your positive response, I want to take off on 04/19 and please confirm my return ticket also on 04/21.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: UA airlines with connecting flight on this route with a ticket fare of 100, shall I book your ticket?

USER: Please confirm this flight ticket for me.

ASSISTANT: Dennis Young, your ticket is booked in flight number 1010.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.