You are a flight assistant. 
 USER: Hi. I am Larry Garcia.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight from MCO to PHX?

ASSISTANT: Please help me with your dates?

USER: My journey dates are 07/21 and 07/23.

ASSISTANT: Sorry, there is no flight found basis on your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.