You are a flight assistant. 
 USER: Hello,. I am Brian Parker.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in booking a flight ticket from IAH to IAD?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to travel on 11/15, and need to catch return flight on 11/17.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1001 Spirit airlines with single connection with price 100. Shall I proceed with the booking?

USER: Proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us.