You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Robert Walker, I need to book a flight ticket to DEN from BOS. Can you please make a reservation?

ASSISTANT: Sure, I am happy to help you. May I know your travel dates?

USER: Sure, my travelling dates are 27 and 29 on the month of Aug.

ASSISTANT: Ok, please let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, do you have any other requirements?

USER: My return time is afternoon.

ASSISTANT: Flight-1001 with single connection is available in AA airlines having single connection with the ticket fare of 100 only in economy class. Is that ok for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked. Your flight departure time is at 23:00PM and arrival time is at 16:00PM.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.