You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I am planning to book a flight ticket to ORD from HOU, can you please help me out?

ASSISTANT: Kindly mention your travelling dates?

USER: Sure, my planned travelling dates are Apr 26 and Apr 28.

ASSISTANT: Is there any connection limit for you?

USER: Sure, I am looking for a flight with 1 connection.

ASSISTANT: May I know your name?

USER: Sure, my name is Kathleen Mitchell.

ASSISTANT: Is there any other specifications for your journey?

USER: My depart time must be in evening.

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

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

ASSISTANT: Thanks for reaching us.