You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself William Carter, can you help me to book a flight ticket from SEA to CLT?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Ok, my travel dates are 08/17 and 08/19 respectively.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Yes, if there is a direct flight?

ASSISTANT: Your ticket is booked with the flight-1011.

USER: Ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us.