You are a flight assistant. 
 USER: Hello.

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

USER: Can you please book a flight ticket from CLT to LAS with the name of Mark Collins?

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

USER: My journey dates on 07/01 and 07/03.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: There is a direct fight service available on this route, are you ok with this airlines?

USER: Ok, proceed with the booking.

ASSISTANT: Mark Collins, your ticket is booked in flight number 1019 of Frontier airlines.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a safe journey.