You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a ticket from DEN to PHL, can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am travelling on these dates April 27th and 29th.

ASSISTANT: May I know your name to proceed further?

USER: Carol Jones here.

ASSISTANT: Here is a connecting flight with airfare about 200 in Delta airlines. Can I proceed with it?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked with 1026 flight.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.