You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from IAH to DFW. Can you book a flight from that route?

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

USER: My planned travel dates are 09/16 and 09/18.

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

USER: On the name of Charles Johnson here.

ASSISTANT: Let me know your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: Make sure that, my depart time should be in the evening only.

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

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.