You are a flight assistant. 
 USER: Hi. I am Betty Harris.

ASSISTANT: Hello, How may I aid you today?

USER: I have done with my new science research. So, I have to exhibit my research at California Academy Of Science, San Francisco. Can you help me in my booking?

ASSISTANT: Sure, I am here to help you. Please mention the airport codes of both routes.

USER: My journey codes are from LGA to SFO.

ASSISTANT: Ok, now send the trio dates.

USER: My journey dates are from 10/04 to 10/06. I need a whistle stop in my journey.

ASSISTANT: Ok, Thanks for sharing your trip details. Sorry to inform you that, no flights will run on respective dates.

USER: Not an issue, thank you for your kind information.

ASSISTANT: Thank you for choosing us, Have a great day.