You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I wan to book a flight ticket from DEN to AUS to meet my friend. Can you help me in booking a connected flight?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are July 08 and July 10.

ASSISTANT: May I know your class preference?

USER: I prefer a economy class.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There is American airline, flight number 1015 with the fare of 100. Can I proceed?

USER: Yes, you can.

ASSISTANT: May I know your name?

USER: I am Michelle Anderson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.