You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: I am Ruth Nelson. I am planning weekend trip from EWR to HOU for hangout,could you help me in booking flight ticket?

ASSISTANT: Yes, I can help you with that. Let me know your travelling dates?

USER: Actually I am planning on 07/29 to 07/31.

ASSISTANT: Thank you for your information. But sorry, there is no flight available for you. Thank you for reaching us, have a nice day.

USER: It's OK. Thank you for helping me.

ASSISTANT: Most welcome.