You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Lewis.

ASSISTANT: How can I guide you?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from MSP to DEN?

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to depart on Dec 06th and return on Dec 08th.

ASSISTANT: Do you have any other preference?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights found on your route.

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

ASSISTANT: Thank you for reaching us.