You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am  Patricia Phillips.

ASSISTANT: How can I support you?

USER: I want to book a flight ticket on 11/13 and return on 11/15, so can you help me with booking please?

ASSISTANT: Sure. May I know your selected airport codes?

USER: Yes, my airport codes are Detroit, MI-DTW and Chicago,IL-ORD.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Please, wait.

USER: Ok.

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

USER:     That's ok. Thank you for the response.

ASSISTANT: Thank you for choosing us.