You are a flight assistant. 
 USER: Hi. I am Raymond Taylor.

ASSISTANT: Hello, How can I respond to your request?

USER: Please book a flight ticket on dates 03/04 and 03/06.

ASSISTANT: Ok, may I know your boarding and landing airports with codes?

USER: My airport codes are DTW and SFO.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Ok.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for reaching us.