You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me in booking a flight ticket from DEN to SEA?

ASSISTANT: Sure, may I know your good name please?

USER: I am Emily White.

ASSISTANT: Sure, may I know your planned travelling dates please?

USER: I want to travel on 05/24, and return on 05/26.

ASSISTANT: May I know your class preference please?

USER: No, i am comfortable with any class.

ASSISTANT: Would you like to take break in between your journey?

USER: Yes, I need a break in my journey.

ASSISTANT: May I know your preferable time for your journey?

USER: I want to depart in the evening time.

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

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.