You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Scott Rodriguez. Can you please help me in making a flight ticket from JFK and IAH?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I want to travel on the dates of 03/21 and 03/23.

ASSISTANT: Ok, please wait a moment.

USER: Ok. I need a flight with price 200 or below. So, please check for that.

ASSISTANT: Sorry, there are no flights found.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.