You are a flight assistant. 
 USER: hello. My name is Mary Johnson.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel from DEN to HOU, could you help me out?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: My preferable dates are from 08/22 to 08/24.

ASSISTANT: Here is a flight matching your dates, can I proceed with it in UA airlines,.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with 1018 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.