You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Melissa Roberts.

ASSISTANT: How may I assist you?

USER: I am planning to travels from SFO to EWR for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: sure, I will help you. May I know your trip dates?

USER: Sure, my departure date is on 10/08 and the return date is on 10/10.

ASSISTANT: Give me a moment.

USER: Sure, please make sure that the price limit should not exceed 1000.

ASSISTANT: Sorry Roberts, there is flight found with your requirements. Do you have any other dates to travel?

USER: No, thanks.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.