You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: I am Nancy Collins want to visit EWR, can you help me to book a flight from SEA?

ASSISTANT: Sure, we are ecstatic to help you. Do you need any specifications in connection?

USER: Yes, I am looking for a single connection.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: My trip dates are Mar 09 and 11.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: No.

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

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: No issues. Thank you for your help.

ASSISTANT: Thanks for consulting with us.