You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Myself Edward Adams. I am planning to visit Houston, will you help me in booking the flight ticket from ORD to HOU?

ASSISTANT: Sure, we are here to help you in booking. Please let me know your planned travelling dates to proceed further.

USER: My travelling dates are Sept 11 and Sept 13.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.