You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Mitchell.

ASSISTANT: How may I assist you at this moment?

USER: Can you please book a flight ticket from ORD to IAH?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable travelling dates?

USER: My travelling dates are 08/11 and 08/13.

ASSISTANT: Is there any connection limit do you have?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to return at afternoon.

ASSISTANT: Please be on hold to check the flights on your route.

USER: Ok.

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

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

ASSISTANT: Thank you for reaching us, have a great day.