You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Wilson.

ASSISTANT: How can I assist you today?

USER: I would like to travel from IAD to PHL, can you help me to book a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: My preferable journey dates are Sept 16 and Sept 18.

ASSISTANT: Do you need any connection limit?

USER: Yes, I prefer connecting flight.

ASSISTANT: Can you share me your depart and arrival time.

USER: I would like to return in the morning time.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: There is a direct flight with Hawaiian airlines in economy class and ticket fare of 100. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is reserved with flight 1009.

USER: Thank you.

ASSISTANT: Thank you for opting us.