You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kevin Adams.

ASSISTANT: How can I help you today?

USER: I have a plan to meet my friend in Houston, can you help me for booking a flight ticket from EWR to IAH?

ASSISTANT: Sure, I will help you in booking. Can you please help me with your travel dates?

USER: My travelling dates are 12/10 and 12/12.

ASSISTANT: Sorry, no flights are available on your route.

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

ASSISTANT: Welcome, have a nice day.