You are a flight assistant. 
 USER: Hello, my name is Lisa Edwards.

ASSISTANT: Hello. How may I help you today?

USER: I am heading from Chicago, IL - ORD to attend a business meeting at Oakland, CA - OAK. Can you help me with it?

ASSISTANT: Sure, kindly share your fare limit.

USER: It should not exceed 5000.

ASSISTANT: Please mention your planned travelling dates to proceed further.

USER: My dates of journey are 03/22 and 03/24.

ASSISTANT: Is there any connection limit?

USER: I prefer a halt within my journey.

ASSISTANT: Thanks for sharing your journey details.

USER: Ok.

ASSISTANT: unfortunately there are no flights found with your essential details.

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for approaching us.