You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from Denver, DEN to Dallas, DFW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are from Mar 27 to Mar 29.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a lay by in between my journey.

ASSISTANT: May I know your good name?

USER: My name is Frank Miller.

ASSISTANT: We found an airline: American Airlines, flight number: 1004 and price is 300 with one connection.

USER: Sure, you can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.