You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Nancy Perez, can you help me to book a flight from MCO to AUS?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 11/17 and 11/19.

ASSISTANT: Sorry, no flight found on your preferable dates.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Ok, fine thank you for reaching us.