You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Eric Baker want to present my documentation in National Conference at NY-EWR. Can you book a ticket from TX-HOU?

ASSISTANT: Sure, we are perky to serve you. May I know your trip dates?

USER: My trip dates are 02/10 and 02/12.

ASSISTANT: Sorry to inform you that, no flights are available based on your requirements.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for choosing us.