You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Justin Roberts. I want to book a ticket from DEN to PHX, can you help me?

ASSISTANT: I am happy to help you, may I know your trip dates?

USER: My travel dates are 04/13 and 04/15.

ASSISTANT: There is a connecting flight-1017 on AA airlines, shall I book it?

USER: You can book it.

ASSISTANT: Ok, booking is done.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.