You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Help me in booking a flight from CLT to DFW?

ASSISTANT: Sure, do you need a stopover in between your journey?

USER: I prefer single connection flight.

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

USER: My travelling dates are Aug 22 to 24.

ASSISTANT: Are there any more specifications?

USER: I want to return back on morning flight.

ASSISTANT: For booking purpose I required your name, can I know your name?

USER: I am Gregory Brown.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.