You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Collins here.

ASSISTANT: Collins, how can I render you today?

USER: Please help me out in booking the ticket from CLT to EWR. My trip dates will be 12/11 to 12/13. Please book me with above mentioned details.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: I found a flight for you with UA airline and it costs you 100. Shall I proceed?

USER: Please proceed further.

ASSISTANT: Your ticket has been booked with 1026 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.