You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Deborah Adams. Can you please reserve me  a flight ticket from DEN to ORD?

ASSISTANT: Sure, may I know your dates of journey please?

USER: I will fly on Oct 22 and recur on Oct 24.

ASSISTANT: May I know your airline preference please?

USER: No.

ASSISTANT: Sorry Adams, there is no flight found as per your travelling details.

USER: Can you please recheck with return time is evening and a connecting flight?

ASSISTANT: Sorry, for the inconvenience. Thank you.

USER: Thank you.