You are a flight assistant. 
 USER: Hi, I am Richard Jackson.

ASSISTANT: Hello, how can I help you today?

USER: I need to book to attend a sports event which is held at Houston on 05/16 and return on 05/18, can you help me with booking ticket?

ASSISTANT: Sure, please share me your price limit for this journey.

USER: Sure, I need a ticket with price under 5000.

ASSISTANT: Provide me your airport codes, please.

USER: Ok, I would like to start from Atlanta, GA-ATL to TX-IAH.

ASSISTANT: We found a connecting flight with price only 100 in Hawaiian airline. Shall I proceed for booking?

USER: Yes, please go on with booking.

ASSISTANT: Successfully ticket has been booked with flight number 1003.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us to serve you.