You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER:  I am Katherine Lee want to travel HOU to meet my friend from CLT. Can you book a connecting flight?

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

USER: My travel dates are Oct 18 and Oct 20.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

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

USER: No problem, thank you.

ASSISTANT: Thank you for approaching us.