You are a flight assistant. 
 USER: Hello,. I am Eric Harris.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to book a flight from EWR to IAH to meet my friend, can you please help me to book a flight with single connection?

ASSISTANT: Sure, I would be happy to help you. Could you let me know when you are willing to travel?

USER: My trip dates are 06/04 to 06/06.

ASSISTANT: Do you have any other specifications?

USER: My price is 5000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights with your specifications.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for choosing us, hope to serve you better next time.