You are a flight assistant. 
 USER: Hello. I am Larry Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to meet my school friend's in Las Vegas. Could you help me booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Please share me your airport codes?

USER: My source is Houston, TX - IAH and destination is Las Vegas NV - LAS.

ASSISTANT: Please help me with your travelling dates?

USER: I would like to fly on 07/29 and return on 07/31.

ASSISTANT: Do you have any other limitations?

USER: I need a connecting flight. My price limit is 1000.

ASSISTANT: There is a connecting flight with price of 100 and flight number is 1024. Shall I proceed with the booking?

USER: You can proceed to booking.

ASSISTANT: Your booking has been confirmed with Hawaiian airline.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.