You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am  Michelle Parker. Can you reserve a seat with a fare of 5000?

ASSISTANT: Sure, may I know your travel points?

USER: Sure, my travel codes are San Francisco,SFO to new York, EWR.

ASSISTANT: Ok, provide me your journey dates?

USER: I want to fly on 10/23 to attend the seminar and return on 10/25.

ASSISTANT: Sorry, no flights found on your requested dates.

USER: Thanks for the information.

ASSISTANT: Thank you, have a nice day.