You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of assistance do you need from us?

USER: I am Jerry Phillips. Can you help me in booking a ticket from OAK to DTW?

ASSISTANT: Sure, I will help you. Could you provide me your travelling dates please?

USER: My planning dates are from 05/17 to 05/19.

ASSISTANT: Ok, please allow me a minute to check the availability of flights.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, there are no flights available in the dates you have given due to some climatic changes.

USER: That's fine. Anyway, thank your for your immediate response.

ASSISTANT: You are welcome. Thank you for connecting with us.