You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, please share your travelling dates.

USER: My preferable journey dates are June 18 and June 20.

ASSISTANT: Do you need any connection limit?

USER: No, thanks for asking.

ASSISTANT: May I know your depart and arrival time.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Give your name for reservation?

USER: My name is James Campbell.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a direct flight with United airlines in economy class and ticket fare of 200. Shall I proceed?

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

ASSISTANT: Your reservation is done in flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.