You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a ticket from CLT to ORD to meet my childhood friend on his birthday.

ASSISTANT: Can you share your trip dates?

USER: My travelling dates are Sept 25 and Sept 27.

ASSISTANT: Do you need any connections?

USER: I want single connection.

ASSISTANT: Are there any other preferences?

USER: I prefer normal-cost airline.

ASSISTANT: May I know your name?

USER: I am Gregory White.

ASSISTANT: Connecting flight in Delta Airlines with number 1017 with price 200, in economy class is available. Is it ok?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.