You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am George Davis here, I want to reserve my ticket from HOU to IAH, can you please help me out?

ASSISTANT: Sure, we are pleased to serve you. Can you share me your itinerary dates?

USER: Sure, my planned dates of journey are from Aug, 07 to Aug, 09.

ASSISTANT: Do you have any class preference?

USER: Yes, I need a business class.

ASSISTANT: May I know your depart time and arrival time?

USER: Yes, I need a return time at afternoon.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a connecting flight.

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

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for opting us.