You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Brandon Roberts. Will you please reserve me a flight ticket from MCO to OAK as I am planning to visit Oakland California temple?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable journey dates are Dec 7 and Dec 9.

ASSISTANT: Sorry, there are no flights are available for given dates.

USER: It's ok, I will choose another alternative to reach my destination. Thank you for your response.

ASSISTANT: Thank you for reaching us.