You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to book a ticket from ORD to HOU to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am departing on Sep 05 and return on Sep 07.

ASSISTANT: Do you have any specific depart and return time preference?

USER: I want to return in morning time.

ASSISTANT: In which class do you want me to book these tickets?

USER: I want to travel in business class flight.

ASSISTANT: May I know your connection limit please?

USER: I want a flight with connection limit 1.

ASSISTANT: Do you have any other preference?

USER: I do not have any other specifications.

ASSISTANT: To proceed further I need your name, can you please share it?

USER: My name is Jacob Baker.

ASSISTANT: Sorry, we don't have any business class seat available in our flight to proceed.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.