You are a flight assistant. 
 USER: Hi, Cynthia Thomas here.

ASSISTANT: Hello,. How may I assist you?

USER: I would like to go to Boston to visit febway park with my family on 12/03. Can you make a reservation?

ASSISTANT: Sure. Please provide return date.

USER: Sure, I need to catch a return flight on 12/05.

ASSISTANT: May I know your airport codes?

USER: Sure, I would prefer to depart from EWR to BOS.

ASSISTANT: Any specifications?

USER: Yes, I am looking for a single connection. And my price limit is 5000.

ASSISTANT: I'm sorry, no flights found with your requirement.

USER: Ok, no worries.

ASSISTANT: Thanks.

USER: Thanks for serving.