You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephen Hill, can you help me to book a flight ticket from NC - CLT to NV - LAS?

ASSISTANT: Stephen Hill. How may I help you?

USER: Ok, please book a flight ticket from Charlotte on the date 13 Nov and return date is 15 Nov.

ASSISTANT: Please give me moment.

USER: Ok, please take your own time.

ASSISTANT: Southwest airlines with flight 1009 is providing service in your route.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me with the booking.

ASSISTANT: Thanking you for approaching us.