You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best aid you for the day?

USER: I would like to visit Boston for site seeing, please help me in booking a ticket from ORD to BOS.

ASSISTANT: Please share your trip dates?

USER: My planned travel dates are on Aug 26 and Aug 28.

ASSISTANT: Do you prefer a flight with a normal cost or a low cost?

USER: I prefer a normal-cost for my trip.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Please share your good name?

USER: My name is Thomas Baker.

ASSISTANT: Thank you for your details, there are no flights found due to the bad weather conditions.

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

ASSISTANT: Thank you for choosing us.