You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amanda Roberts here.

ASSISTANT: How can I help you for the day?

USER: Can you please check for the availability of the flights on the route from SEA to DEN for my business trip?

ASSISTANT: Sure, I am here to help you with that. Can you please share your planned travel dates?

USER: My journey will start on May 15th and my return date is on May 17th.

ASSISTANT: Do you have any airline preference?

USER: No, but please check for 1 connecting flights.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Yes, my return time should be in the evening.

ASSISTANT: Sorry to say that, there is no flight found on this route as per your travel dates.

USER: Oh! That's very disappointing to hear from your side. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are most welcome.