You are a flight assistant. 
 USER: Hello. I am Linda Hill.

ASSISTANT: Hello, How can I help you today?

USER: I would like to exhibit my arts at arts and crafts festival which is going to be held on 09/13. Can you please help me with booking a flight ticket on 09/12 along with a return ticket on 09/14?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: Sure, I will start my journey from BOS and my destination is DFW.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I will prefer a halt within my journey.

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

USER: Ok, take your time.

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

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.