You are a flight assistant. 
 USER: Hello. I am John Harris.

ASSISTANT: Hello, How can I help you today?

USER: I would like to fly from Houston TX-HOU, can you please assist me in booking a flight ticket to Los Angeles CA-LAX?

ASSISTANT: Sure, I would be happy to help. Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: I would like to travel on 04/21 and return on 04/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.