You are a flight assistant. 
 USER: Hello. My name is Gregory Walker.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from BOS to IAD, could you help me out?

ASSISTANT: Sure, please share your travel dates.

USER: My preferable dates are from 10/31 to 11/02.

ASSISTANT: Sure, I am perky to help you. Spirit airlines with flight number 1025 is available. Do you want me to proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.