You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from ORD to DEN. Please help me.

ASSISTANT: sure, I am here to help you for this. When are you planning your trip?

USER: August 23 and 25 are my planned travelling dates.

ASSISTANT: May I know your name please?

USER: My name is Rachel Lewis.

ASSISTANT: Is there any requirements regarding your journey?

USER: Yes, I just need a break in my journey.

ASSISTANT: There is a flight with United Airlines and the ticket fare is 100. Shall I proceed for this?

USER: Yes, please book it.

ASSISTANT: Your ticket is reserved in economy class with the flight-1001. Your depart time is 12:00 hours and again your arrival time is 22:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you very much for contacting our agency.

USER: You are welcome.