You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Due to an emergency business meeting, I want to travel to Houston, TX-HOU from Charlotte, NC-CLT. can you please book me a ticket for direct flight?

ASSISTANT: Sure, can you please mention your travelling dates?

USER: My travelling dates are from 07/21 to 07/23.

ASSISTANT: Ok, do you need any way station in between the journey?

USER: I already mentioned above that I need a direct flight.

ASSISTANT: To proceed further, may I know your name?

USER: I am Cynthia Jones.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.