You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ashley Nelson.

ASSISTANT: How can I assist you?

USER: I am planning to travel from DFW TO LAS.

ASSISTANT: Sure, on which dates do you want to travel?

USER: My date of travelling is on 08/05 to 08/07.

ASSISTANT: Please wait for a while. Spirit airlines with flight number 1011 is available for you.

USER: Proceed for booking.

ASSISTANT: Your ticket is booked with price 100.

USER: Thanks for helping me.

ASSISTANT: Most welcome.