You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to travel from ORD to SEA, can you help me?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are June 12 to 14.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight in economy class.

ASSISTANT: Please share me your name.

USER: I am Samuel Martin.

ASSISTANT: Sorry, there is no flight at this moment.

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

ASSISTANT: Thank you.