You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Elizabeth Brown here. Do you have any flight from HOU to attend a business meeting in SEA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are 06/03 and 06/05.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flights available on your requested route.

USER: It's ok, thanks for your valuable information.

ASSISTANT: Thank you for contacting us.