You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: This is Samuel Jackson.

ASSISTANT: Ok.

USER: I want to book a flight ticket from New York, NY - JFK to Houston, TX - HOU. Can you please help me in that?

ASSISTANT: Sure, I am here to help you. On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 04/07 - 04/09.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, we are unable to provide flights on your route due to bad weather.

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

ASSISTANT: Thank you for reaching us.