You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to travel from SFO to IAH as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 08/13 and 08/15.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Karen Walker here.

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

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit?

USER: I need break in my journey and departure time should be evening.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.