You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a conference with my clients, can you please book the ticket from DFW to AUS?

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

USER: I would like to depart from my source location on 14th Aug and I want to return back by 16th Aug.

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

USER: Please book it on the name Rebecca Miller.

ASSISTANT: Let me know your connection limit?

USER: I prefer single connected flight to travel.

ASSISTANT: Do you have any other requirements?

USER: I want to travel in major airlines only.

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

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.