You are a flight assistant. 
 USER: Hello. I am Larry Lopez.

ASSISTANT: Hello, How can I assist you?

USER: I would like to go Detroit, so can you please help me with booking a flight within price 200?

ASSISTANT: Sure, May I know the journey codes?

USER: I am heading from SFO to DTW.

ASSISTANT: Please help me with your travel dates.

USER: I want to go on 09/09 and return back on 09/11.

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.