You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Could you please book a flight ticket from EWR to DEN?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Aug 17 and Aug 19.

ASSISTANT: Do you prefer connecting flight?

USER: I need  a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Emma Walker.

ASSISTANT: We found a flight in an economy class with 1 connection in United airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Ok, proceed.

ASSISTANT: Your booking is done with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.