You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jason Lopez. I would like to book a flight ticket from EWR to BOS.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you. Could you please tell me your scheduled travel dates?

USER: Sure, my travelling dates are Jan 4 and Jan 6.

ASSISTANT: Ok, at what departure time you want to travel?

USER: That's fine with any timings.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there are no flights running on the dates you have given due to some climatic alert the flights are not available.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome. Thank you for approaching us. Have a nice day.