You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Sharon Robinson, I need to book a flight ticket from SFO to LAX. Can you please help me for booking?

ASSISTANT: Sure, please let me know your travel dates.

USER: I would like travel on 06/09 to 06/11.

ASSISTANT: How much are you expecting the fare for this particular flight?

USER: I can pay up to 200.

ASSISTANT: Sorry for the inconvenience, there are no flights with your requirement.

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

ASSISTANT: Have a good day.