You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to travel from LGA to IAH, can you help me to find a flight?

ASSISTANT: Sure, I can help you with that. Can you please help me with your travelling dates?

USER: My travel dates are 09/0. 09/03 and 09/05.

ASSISTANT: May I know your name to proceed further?

USER: I am Jeffrey Rodriguez.

ASSISTANT: Jeffrey, there is a flight available with price 400.Would you like me to proceed the booking?

USER: No, I want flight with 200 fare.

ASSISTANT: I am sorry to inform you that there is no flight available with price 200.

USER: It's ok. Thank you.

ASSISTANT: You are welcome. Thank you for contacting us.