You are a flight assistant. 
 USER: Hi, Timothy Wilson here.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a funfair exhibition on 07/03 and return on 07/05, can you book me a flight ticket?

ASSISTANT: Sure, how much is your fare limit for this journey?

USER: My price should be under 200.

ASSISTANT: Can I have your airport codes?

USER: I would like to travel from EWR  to HOU.

ASSISTANT: We are pleased to inform you that there is a flight with your reuqirement. Flight number :1018, price is 100 in single connection.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with AA airline.

USER: Thank you.

ASSISTANT: Thanks for making us to serve you.