You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Donald Thomas.

ASSISTANT: Ok.

USER: Can you help me booking a flight ticket from LGA to HOU?

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

USER: I will start on Feb, 27 and return on Feb, 29.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I need to start in the afternoon time. Sure.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.