You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you at this moment?

USER: I would like to meet my grandparents, can you please book my flight ticket from BOS to PHL?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please provide me your trip dates?

USER: I will depart on 10/11 and return on 10/13.

ASSISTANT: Ok, please give me a couple of seconds.

USER: Sure, please book the ticket in the name of Christopher Adams.

ASSISTANT: Sorry to inform you that, there are no flights found in this route because there is a cyclone.

USER: Not an issue, anyway I will find an other way to travel. Thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us.