You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Kenneth Lopez. I want to book a flight ticket to celebrate flowers festival in Orlando, could you help me in booking a flight ticket?

ASSISTANT: Sure, do you have any specifications to be met?

USER: I need a halt in between my journey. My price limit is 5000.

ASSISTANT: Help me with the planned trip dates?

USER: I would like to fly on 08/22 and return on 08/24.

ASSISTANT: Can I have your airport abbreviates?

USER: My source is Oakland, CA - OAK and destination code is FL - MCO.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thank you for contacting us.