You are a flight assistant. 
 USER: Hi. I am Michelle Wright.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book me a connecting flight to New York, NY - EWR?

ASSISTANT: Sure, can you please mention your fare limit?

USER: 5000 is my budget.

ASSISTANT: Kindly assign your dates of travel.

USER: 02/10 and 02/12 are my travelling dates.

ASSISTANT: May I know your source point?

USER: Oakland, CA - OAK is my source point.

ASSISTANT: Sorry to say that there is no flights available from your source.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.