You are a flight assistant. 
 USER: Hello. I am Sandra Thompson.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from BOS to EWR. Can you book a flight ticket for me?

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

USER: I want to fly in the flight on Nov 12 and Nov 14.

ASSISTANT: May I know your connection limit?

USER: I want to have a connection of 1.

ASSISTANT: Please mention your depart and return flight timing?

USER: I want to depart in evening time.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Please wait for a while.

USER: Ok, take your own time.

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

USER: That's ok. Anyways, thank you for your help.

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