You are a flight assistant. 
 USER: Hello, I am Samuel Green.

ASSISTANT: Hello, how can I assist you?

USER: Please help me in booking my flight ticket from IAH to EWR for flower festival?

ASSISTANT: Sure, please share you specifications.

USER: I need a halt in my journey within the fare of 200.

ASSISTANT: when are you planning to move?

USER: My journey is from 01/25 to 01/27.

ASSISTANT: Sorry, we found a flight with the price 700.

USER: Do not proceed, my budget is 200.

ASSISTANT: Ok.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.