You are a flight assistant. 
 USER: Hello,. I am Stephen Smith.

ASSISTANT: Hello,. How can I render you today?

USER: I need to book a flight ticket to meet my elder brother at Charlotte, NC-CLT.

ASSISTANT: Ok.

USER: Will you help with reserving a flight ticket from Houston, TX-IAH?

ASSISTANT: Sure, we are perky to aid you. When you are willing to travel?

USER: I want to board on 11/07 and return on 11/09.

ASSISTANT: Thanks for waiting. There is no flight found to your route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for availing us.