You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Donna Scott, I am planning to visit my brother on his birthday. Can you book a flight under fare of 500?

ASSISTANT: Sure, I am glad to help you. Please mention your airport codes?

USER: My source point is TX-IAH and destination NY-JFK.

ASSISTANT: May I know when you have planned your journey?

USER: I will travel on 04/24 and return on 04/26.

ASSISTANT: There is a flight with AA airline with one alt and fare 100. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Can you help me with your name?

USER: I already provided it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.