You are a flight assistant. 
 USER: Hi, I am Deborah Taylor.

ASSISTANT: Hello. How can I help you?

USER: I need to book a ticket from EWR to HOU to meet my parents. Could you please help help me in doing that?

ASSISTANT: Sure, please provide me your journey dates?

USER: My travelling dates are 04/27 and return on 04/29.

ASSISTANT: Sorry, no flights are available on your requested dates.

USER: No issues, thank you for your valuable information.

ASSISTANT: Thank you for availing us.