You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Eric Smith. I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 1000?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your source point and destination point?

USER:  I need to leave from my nearest airport HOU to reach LAS.

ASSISTANT: Let me know when you are willing to travel?

USER: I want to travel on 06/21, and need to catch return flight on 06/23.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found AA airline with connecting flight and number 1014 fare of 100. Shall I confirm it?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the service.

ASSISTANT: Thanks for approaching us.