You are a flight assistant. 
 USER: Hello. I am Donna Hall.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for Pagan festival at Houston, can you please help me in booking?

ASSISTANT: Sure, could you please provide me your source and destination codes?

USER: My source is at TX-AUS and destination is at TX-IAH.

ASSISTANT: Please share me your planned travel dates.

USER: My travel dates are from 08/18 to 08/20.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1000 and price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.