You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Hill.

ASSISTANT: How can I help you?

USER: I want to book a ticket from SEA to IAH to attend workshop, can you help me in booking?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My departure date is on Dec 08 and return on Dec 10.

ASSISTANT: Do you have any specifications?

USER: I need a flight with connection limit 1.

ASSISTANT: Do you have any other requirements?

USER: I want a flight with business class.

ASSISTANT: Sorry, no flights are available on your route as per your requirements.

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

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.