You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Katherine Green here. I am planning to go Charlotte to organise a wedding event, will you book me a ticket from ORD to CLT?

ASSISTANT: Can I know your travel dates?

USER: Yes, I prefer to depart on 02/05 and return from there on 02/07.

ASSISTANT: The flight 1009 of Delta airlines is available on your request. Shall I proceed?

USER: May I know the ticket price?

ASSISTANT: The price of the ticket is 100.

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for booking.

ASSISTANT: You are welcome.