You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Please make a reservation with the name of Samantha Thompson to Denver.

ASSISTANT: Sure, can you please let me know your journey dates?

USER: I want to travel on Apr 12 and return back on Apr 14.

ASSISTANT: May I know boarding point please?

USER: I want to board from Oakland.

ASSISTANT: Do you prefer any halt in between journey?

USER: I prefer a halt in between my journey.

ASSISTANT: We  found a United airlines, flight number 1021 and the fare of 100. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.