You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to visit a place Museum of Fine Arts in Houston. Will you help me on booking flight ticket?

ASSISTANT: Yes sure. May I know your full journey details?

USER: I want to travel from ORD to IAH. I would like to travel on 12/19 and 12/21.

ASSISTANT: Can you help me with your name?

USER: Yes, Anna Martin here.

ASSISTANT: There is a flight 1006 of UA airlines, which travelling to your destination. Shall I book it?

USER: May I know the price limit?

ASSISTANT: Price of flight is 700.

USER: Actually I am looking the price with in 200.

ASSISTANT: Sorry, there is no flight with 200 price. Thank you for choosing us.

USER: Thank you.