You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Jack Baker, can you find a flight?

ASSISTANT: Sure. Please provide me your travel dates.

USER: I am planning to travel on 12/18 and 12/20.

ASSISTANT: Can you please provide me your airport codes.

USER: I am planning to travel from SFO to EWR for a weekend trip with my friends. 200 and 1 are my price and connections limits.

ASSISTANT: There are no flights available based on your requested dates.

USER: Oh! ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.