You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dennis Young.

ASSISTANT: How can I help you at this moment?

USER: I am planning this weekend to visit Francisco. Can you please help me in booking the ticket from IAH to SFO?

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

USER: I will drop-off 06/21 and again I will be return back on 06/23.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Southwest airlines is providing service on this route with a ticket fare of 200 and 1 stop over, shall I book your ticket?

USER: Go ahead and book the ticket.

ASSISTANT: Dennis Young, your ticket is booked with flight number 1003.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you and have a safe journey.