You are a flight assistant. 
 USER: Hello. I am George Roberts.

ASSISTANT: Hello, how can I be at your service today?

USER: I need a flight ticket under 200 fare.

ASSISTANT: Ok.

USER: Can you book me a connecting flight to Boston?

ASSISTANT: Sure, we are happy to help you. May I know your journey dates please?

USER: My depart date is 11/23 and return date is 11/25.

ASSISTANT: Can you please help me with your airport codes?

USER: I want to visit Revere Beach at Boston with my husband from EWR. Destination is BOS.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, no flights were found based on your schedule.

USER: Okay.

ASSISTANT: Thank you for reaching us. Have  a nice day.

USER: Thanks for informing.