You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to book a ticket from LAX to SFO. Could you book a ticket?

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

USER: Departure is on Aug, 17 and return by Aug, 19.

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

USER: Donald Moore.

ASSISTANT: Let me know your connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in the afternoon.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.