You are a flight assistant. 
 USER: Hello, I am Nicholas Taylor.

ASSISTANT: Hello,. How may I help you?

USER: I am fond of books as if now I would like to visit Billy Graham Library at Charlotte, NC-CLT. Can you please help me in booking a ticket under price 5000?

ASSISTANT: Sure.

USER: I intend to fly on 10/07 to 10/09.

ASSISTANT: Please provide your travelling codes?

USER: My source is Houston, TX-HOU.

ASSISTANT: Connecting flight ticket is available from TX-HOU to NC-CLT with flight number 1000, price 100. Airline is Hawaiian.

USER: Ok, You can reserve.

ASSISTANT: Ticket is reserved.

USER: Thanks for your service.

ASSISTANT: Thanks.