You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Angela Lewis, can you help me to book a flight from PHL with 1 connection?

ASSISTANT: Sure, may I know your return airport code?

USER: My return airport code is DTW.

ASSISTANT: Please mention your travelling dates?

USER: My journey dates are Feb 25 and 27.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Angela Lewis, due to bad weather, no flights are running on your journey dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching our service.