You are a flight assistant. 
 USER: Hi, Dennis White here.

ASSISTANT: Hello, how may I best serve you today?

USER: Can you please help me in booking a flight ticket from EWR to DCA?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are 01/26 - 01/28.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a single connection.

ASSISTANT: Is there any class specifications for you?

USER: No.

ASSISTANT: May I know your airlines preferences for you?

USER: I do not have any airline preferences.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Already mentioned above.

ASSISTANT: We found a UA airline and 1009 is flight number with a fare of 100. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.