You are a flight assistant. 
 USER: Hello, I am Jeffrey Perez here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit New England Aquarium at Boston, MA-BOS. Can you please help me in booking a ticket from Denver, CO-DEN?

ASSISTANT: Sure, can I know your journey dates?

USER: My journey dates are from 08/13 to 08/15. Please make sure that I need a direct flight.

ASSISTANT: Sure, give me a moment.

USER: Ok.

ASSISTANT: I will check with it.

USER: Sure.

ASSISTANT: Sorry Perez I didn't found any flight matching your details. Thank you for connecting with us.

USER: Ok no issues.

ASSISTANT: Have a nice day.

USER: Thanks for your information.