You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need to reserve a ticket from BOS to EWR, can you help me in doing that?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are Feb 12 to 14.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a single connection limit?

ASSISTANT: Do you have any other requirements to be met?

USER: Please ensure that my depart time is evening.

ASSISTANT: May I know your name?

USER: I am Stephanie King.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok, no issues, Thank you for the information.

ASSISTANT: Thank you.