You are a flight assistant. 
 USER: Hello, I am Brian Allen.

ASSISTANT: Hello, what can I do for you?

USER: I need a flight ticket under price 200. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Can I know your journey dates?

USER: Sure, I want to travel on 04/28 and arrival is on 04/30.

ASSISTANT: Can you provide me your source and destination?

USER: Sure, I want to do fishing training at Lady bird lake, TX-AUS and board from TX-IAH.

ASSISTANT: Ok, Give me a minute let me check the availability.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a flight with single connection on Hawaiian airline. Price is 100 and flight number is 1017.

USER: You can proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching our agency.