You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Hernandez.

ASSISTANT: How can I assist you?

USER: I am planning to travel from HOU to OAK. Can you please help me to book a ticket for flowers festival?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates will be on Oct 12 to Oct 14.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights found as per your request.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.