You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from MCO to OAK, can you help me?

ASSISTANT: Ok, may I know your journey dates please?

USER: My travel dates are 05/05 and 05/07.

ASSISTANT: Please provide me your name.

USER: Myself Gary Davis.

ASSISTANT: There are no flights available at this moment.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.