You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Clark.

ASSISTANT: How may I assist you?

USER: I need to book a ticket from HOU to EWR, can you help me?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travelling dates are Jan 13 to Jan 15.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: I found an economy class ticket in Frontier airlines with fare 300 and it has single connection. Can I book your ticket?

USER: I can pay only 200. Please check for that.

ASSISTANT: Nicholas Clark, no flights has been found on your requirement.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.