You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Joseph Martin. I want a connecting flight from Orlando to Oakland, can you please help me in booking my flight ticket?

ASSISTANT: Sure, may I know your airport codes?

USER: Ok, my travelling airport codes are MCO and OAK.

ASSISTANT: Kindly, mention your planned trip dates.

USER: Sure, I want to start my journey on July 26 and I am willing to start my return journey on July 28.

ASSISTANT: Ok, how much can you afford for flight ticket?

USER: I can afford 5000 for my flight ticket.

ASSISTANT: Which class do you prefer either economy or business?

USER: I need my flight ticket in Business class.

ASSISTANT: Thanks for your details, please wait for while. We found a flight in economy class of fare 100 with airline Hawaiian and number is 1023.

USER: Ok, sure. Do not proceed with booking.

ASSISTANT: Ok.

USER: Thank you for your help in checking.

ASSISTANT: Thank you for choosing us.