You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to travel from SEA to DFW, could you help me in doing that?

ASSISTANT: Sure, we are glad to help you. Can I have your travelling dates?

USER: My trip dates are June 03 to 05.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your good name?

USER: I am Rebecca Carter.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.