You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Garcia here.

ASSISTANT: How may I assist you today?

USER: I need your help in booking of a flight ticket from MSP to JFK for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my departure is on Jan 25 and please book my return ticket also on Jan 27.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, due to heavy tornado in your place, no flights are running on your route.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching our service.

USER: Welcome.