You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a flight ticket from DEN to PHL. Could you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Jan 27 - 29.

ASSISTANT:  On which name shall I reserve flight ticket?

USER: Edward White.

ASSISTANT:  Do you need any specifications?

USER: I prefer for connecting flight and depart time is in evening.

ASSISTANT: There is a flight with one connection and the price is 100 in Delta Airlines, can I proceed with the reservation?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.