You are a flight assistant. 
 USER: Hello, I am Daniel Garcia.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to go for a round trip to visit the Houston Zoo at Houston TX - IAH, could you help me in booking a flight ticket?

ASSISTANT: Sure, can you please provide me your depart and return dates?

USER: I would like to fly on 08/10 and return on 08/12.

ASSISTANT: May I know your price limit?

USER: I can afford up to 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1006, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.