You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to book a flight ticket in business class to attend my cousin's marriage party, can you please help me with that?

ASSISTANT: Sure, please share your planned travel date to proceed further.

USER: I have to go on 23rd Jan and I will come back on 25th.

ASSISTANT: Please share your source and destination airport codes.

USER: I want to depart from MCO and land at DEN.

ASSISTANT: May I your connection limit?

USER: Sure, I will prefer a connecting flight.

ASSISTANT: Please share your name to proceed further.

USER: Myself Jerry Hernandez.

ASSISTANT: I am sorry to inform you that we don't have any seat left in business class.

USER: No worries, thank you for your time.

ASSISTANT: Thank you.