You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Janet Lopez here.

ASSISTANT: How can I assist you at this moment?

USER: I have to go Phoenix for my film shooting purpose, can you please book a flight ticket from IAD to PHX?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: Ok, my preferred dates of trip are 08/13 and 08/15.

ASSISTANT: Wait a moment please.

USER: Ok, carry on.

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

USER: Yes, please book it to me.

ASSISTANT: Janet Lopez, your ticket is booked with flight number 1010.

USER: Thanks a lot.

ASSISTANT: Thank you, have a safe journey.