You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to May Flower agency.

USER: Thank you.

ASSISTANT: How can I help you?

USER: I have planned to visit Fort Worth Stockyards Station in Dallas & Fort Worth, DFW. So I need to make a ticket reservation, will you help me out?

ASSISTANT: Sure, may I know your name?

USER: I am Susan Johnson.

ASSISTANT: Ok, can I have your preferable dates?

USER: My preferable dates are 06/03 and 06/05.

ASSISTANT: Sure, could you provide me your source code?

USER: I want to travel from New York, EWR.

ASSISTANT: Sorry Susan, no flight's found on your request because of the climate changes.

USER: That's fine, no issues. Thank you for searching.

ASSISTANT: Thank you for reaching us.