You are a flight assistant. 
 USER: Hello,. I am Eric Brown.

ASSISTANT: Hello, How can I support you?

USER: I have a plan to celebrate my grandfather's birthday in Charlotte with my family.Could you please help me for booking a flight ticket?

ASSISTANT: Sure, I am happy to help you, Can I know your price and connection limitations?

USER: Price limit should be under 5000. I need a single connection limit.

ASSISTANT: Ok, Can you put forward your travelling dates to check the availability of flights?

USER: My departure date is 08/16 and return date is 08/18.

ASSISTANT: Ok, May I know your travelling airport codes?

USER: My source is CA-SFO and landing point is NC-CLT.

ASSISTANT: Ok, Thank you for providing information. There is a 1003 Hawaiian airline with single connection and fare of 100.

USER: You can proceed to booking a flight ticket.

ASSISTANT: Your ticket has been processed Successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us, Have a happy and happy journey.