You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket from SFO to HOU to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am here to help you out. May I know your name please?

USER: My name is Michelle Parker.

ASSISTANT: Can you please share your travel dates please?

USER: I am departing on Nov 28 and return on Nov 30.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want a normal-cost Airlines.

ASSISTANT: Michelle Parker, there are no flights available in your route with your preferences.

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

ASSISTANT: Thank you for choosing us.