You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please search a direct flight for me?

ASSISTANT: Sure, can you please provide your nearest airport codes?

USER: My travelling airport codes are LGA to AUS.

ASSISTANT: May I know your planned dates of journey please?

USER: My travelling dates are 07/19 and 07/21.

ASSISTANT: Meanwhile, please provide your name.

USER: Myself Betty Lopez.

ASSISTANT: Betty Lopez, there are no direct flight services available on your provided route.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for connecting with us.