You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: This is Lisa Lopez, from Denver. I need your service in booking flight ticket from Denver, DEN to reach Seattle, SEA. Can you help me with that?

ASSISTANT: Sure, could you forward your trip dates?

USER: I want to start on 02/09 and return on 02/11.

ASSISTANT: May I know your price limit?

USER: I need to make my journey in the cheapest flight, so please book it under 200.

ASSISTANT: Do you need a direct flight?

USER: No, I am looking for a connecting flight.

ASSISTANT: Sorry, we found a direct flight to your destination point.

USER: Ok, do not proceed. Thanks for your help.

ASSISTANT: Ok, thank you for reaching us.