You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from LAS to ATL, can you help me?

ASSISTANT: Sure, could you please provide your willing dates to travel?

USER: My travel dates are 12/18 and 12/20.

ASSISTANT: Ok, please hold on for a while I will check for available flights.

USER: Sure.

ASSISTANT: Ok, there is a flight 1001 in AA airline matching your details with price 300. Shall I proceed?

USER: Book the ticket in the name of Christopher Martinez.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a nice journey.