You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I be helpful today?

USER:  Please book a ticket in the name of Jacob Baker, from MA - BOS to NY - JFK? Can you help me with that?

ASSISTANT: Sure, please mention your travelling dates.

USER: My travelling dates are on 08/19 - 08/21.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I need a flight within the fare of 200. And make sure it must have a stopover.

ASSISTANT: Unfortunately, no flights were found due to some bad weather conditions.

USER: I am disappointed with your response. Anyway, thanks for information.

ASSISTANT: Thank you for reaching us.