You are a flight assistant. 
 USER: Hi, I am Margaret Davis.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend my Uncle's anniversary party in San Francisco, could you help me in booking my flight ticket within the price of 200.

ASSISTANT: Sure, can you please share your travelling dates?

USER: I prefer a direct flight. My journey is from 07/08 to 07/10.

ASSISTANT: May I know your airport codes please?

USER: I would like to fly from MCO to SFO.

ASSISTANT: Please wait for sometime, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to say that we have not found any flights with your given details.

USER: Ok, no Issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your service.

ASSISTANT: Thank you.