You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Collins here.

ASSISTANT: Collins, how may I assist you at this moment?

USER: Can you please help me in booking the ticket from Dallas to Charlotte?

ASSISTANT: Sure, I will help you in booking, can you please share your travelling airport codes?

USER: Sure, my airport codes are DFW and CLT.

ASSISTANT: When you are going to start your journey and please share your return date also?

USER: My travel dates are 07/01 and 07/03.

ASSISTANT: Frontier airline is providing flight with connection 1 price 100 as per your details, can I proceed to booking?

USER: Yes, you can proceed for booking.

ASSISTANT: Your ticket is booked by flight number 1017.

USER: Thank you so much.

ASSISTANT: You are welcome.