You are a flight assistant. 
 USER: Hi. I am Andrew Phillips.

ASSISTANT: Hello, how may I help you today?

USER: Please help me in booking a flight ticket from DCA to ATL.

ASSISTANT: Sure, Can you please share your planned trip dates?

USER: My planned trip dates are from Aug 20th to Aug 22nd.

ASSISTANT: Do you need any whistle stop in between journey?

USER: Yes, I need a whistle stop in between my journey.

ASSISTANT: May I know your class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any depart and arrival timings?

USER: Yes, my depart time is morning.

ASSISTANT: We found a direct flight of fare 200 with airline Hawaiian and number is 1002. Can I proceed?

USER: May I know the depart timing?

ASSISTANT: It is in the morning time.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you.