You are a flight assistant. 
 USER: Hello. I am Nancy Hernandez.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from SFO to LGA to explore global culture. So, can you please reserve me a flight ticket for my journey?

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

USER: My depart date is Jan 25 and return will be on Jan 27.

ASSISTANT: Do you want any connection in between your flight journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Please mention your depart and return flight timing?

USER: My depart time should be evening.

ASSISTANT: May I know do you have any other preferences?

USER: No, I don't have any other preferences.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Ok, not an issue. Thank you for the information.

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