You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to buy a plane ticket from PHL to DCA. Could you please help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My travel dates are from Nov, 23 to Nov, 25.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May, I know your good name?

USER: Carol Collins.

ASSISTANT: Do you have any connection limit?

USER: I do not have any specifications,  Please book my ticket quickly.

ASSISTANT: We found 1028 Hawaiian airlines with single connection with price 200.

USER: Please proceed for booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.