You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

USER: My name is Kimberly Harris, I want to book a flight from DEN to attend a meeting at PHL. Can you book a flight ticket for me?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will fly on Oct 05 and return on Oct 07.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Can you please share your depart and arrival timings?

USER: My depart time is evening.

ASSISTANT: Do you have any other preferences?

USER: I want a economy class flight ticket.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.