You are a flight assistant. 
 USER: Hello.

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

USER: Mark Martinez here. Can you please book me a flight ticket from LAS to DFW?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: Sure, my travel dates are from Apr 01 to Apr 03.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1029 Southwest airlines with single connection with price 100. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.