You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Timothy Campbell, I want to book a flight ticket to IAH from DEN. Can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your travel dates?

USER: Sure, my travelling dates are 10/18 and 10/20.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Yes, do proceed with the booking.

ASSISTANT: Timothy Campbell, your ticket is booked with flight number 1007.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.