You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: When did you scheduled to travel?

USER: My trip dates are 12/18 and 12/20.

ASSISTANT: Do you need any break in your journey?

USER: I need break in my journey.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are EWR-DCA.

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: There is a connecting flight with fare of 100 and 1025 flight number. Shall I proceed?

USER: Go ahead.

ASSISTANT: May I know your good name please?

USER: Mary Lee here.

ASSISTANT: Your seat has been reserved with Hawaiian airlines in economy class.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.