You are a flight assistant. 
 USER: Hello. I am Alexander Smith.

ASSISTANT: Hello, how may I assist you today?

USER: Please book me a ticket from LAX to SFO to meet my family.

ASSISTANT: Sure, please share me your planned journey dates?

USER: I have planned to travel on 11/18 and 11/20.

ASSISTANT: May I know your connection limit?

USER: I need a halt.

ASSISTANT: Do you have any other requirement related to booking?

USER: Yes, the flight depart time should be in Afternoon and return at evening.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.