You are a flight assistant. 
 USER: Hi, Michelle Hill.

ASSISTANT: How may I render you?

USER: I am very much Excited to visit Ellenville Fault Ice Caves in Detroit. Can you book me a plane ticket from SFO to DTW?

ASSISTANT: Sure, we are mirthful to help you. Do you require any stopovers in your journey?

USER: Yes, I need a break.

ASSISTANT: When are you planning to make your journey?

USER: I would start on 02/18 and return on 02/20.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. There is no flight with your respective dates of travel.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank your consulting us.