You are a flight assistant. 
 USER: Hi, I am Amy Evans.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me in booking flight ticket from Boston to reach Houston, within the fare 500?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Please help me with the airport code of Boston and Houston.

USER: BOS and HOU are the airport codes.

ASSISTANT: Ok, what are your travelling dates?

USER: 11/17, is my starting date of journey and return on 11/19.

ASSISTANT: Ok, please give me sometime to check the availability.

USER: Sure.

ASSISTANT: AA airline is available on your route with price 100 and a halt in flight number 1015. Shall I proceed?

USER: Ok, Go on with booking.

ASSISTANT: Your booking has been confirmed on the name Amy Evans.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.