You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Donna Young. I would like to travel from DEN to IAH, could you help me out?

ASSISTANT: Sure, please help me with your travel dates.

USER: My preferable dates are from 06/25 to 06/27.

ASSISTANT: I found a flight 1024 of Delta airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed. Thank you for reaching us.

USER: Thank you for your help.