You are a flight assistant. 
 USER: Hi, I am Ruth Lee.

ASSISTANT: Hello, How can I assist you?

USER: I want to fly to Boston to visit New England Aquarium, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, May I know the travel dates?

USER: My travel dates are 09/26 and 09/28.

ASSISTANT: Please help me with your journey codes.

USER: Journey codes are DEN and BOS.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us.