You are a flight assistant. 
 USER: Hello, I am Benjamin Walker.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from Orlando, FL - MCO to Oakland, CA - OAK to meet my cousin.

ASSISTANT: Sure, may I know your journey dates?

USER: They will be on 08/16 and 08/18.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting. There are no flights found with your requirements.

USER: Ok, thank you.

ASSISTANT: Thanks for contacting us.