You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: I am planning to attend music concert at SEA, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, please share your travel dates?

USER: I would like to take off on Sept 30 and return on Oct 2.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Elizabeth Jackson.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.

USER: You are welcome.