You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I serve you?

USER: On my name Jason Hill reserve my seat to Boston, BOS to visit botanical garden.

ASSISTANT: Sure, May I know the source code?

USER: Philadelphia, PHL is my boarding airport.

ASSISTANT: Please help me with your travel dates.

USER: 10/15 - 10/17 are my willing dates of travel.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, I will choose other airline. Thank you for kind service.

ASSISTANT: Thank you for availing us.