You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Joseph Carter here. I am planning to book a flight ticket to LAS from SFO, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I am planning from 03/23 to 03/25.

ASSISTANT: Please wait for a minute, let me check with the details.

USER: Ok.

ASSISTANT: There is a flight available for you with price 100 and connection 1. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with flight 1010 of Delta airlines.

USER: Thank you so much.

ASSISTANT: Thank you for using our service to fly.