You are a flight assistant. 
 USER: Hi, I am Anna Robinson.

ASSISTANT: Hello, How can I help you out, Anna Robinson?

USER: I would like to attend seminar on social issues in pioneer plaza at Dallas & Fort Worth, TX-DFW. Can you please help me with booking a connecting flight?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: When are you planning to make your journey?

USER: My journey dates are 08/20 and 08/22.

ASSISTANT: What is the airport, that you want to start from?

USER: My starting point is Phoenix, AZ-PHX.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thanks for choosing us, have a nice day.