You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Shirley Williams.

ASSISTANT: Could you please tell me your name? Ok, how may I assist you?

USER: I want to travel from TX-HOU to CO-DEN for a business trip.

ASSISTANT: May I know your travelling dates?

USER: My departure date is 04/03 and return date is 04/05. Make sure my price limit is 1000 and the connections limit is 0.

ASSISTANT: No flights found on your details.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.