You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I be of your helping hand?

USER: I am planning to scheduled a trip to Seattle to Snoqualmie falls and Seattle Winery with my friends. Can you make a reservation with name Larry Phillips.

ASSISTANT: Sure. Can you share your airport codes?

USER: Sure, my source and destination points are from BOS to SEA.

ASSISTANT: May I know your travelling dates?

USER: Sure, my planned dates are 07/09 and 07/11.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt in between journey.

ASSISTANT: Unfortunately, there are no flights available with your details.

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

ASSISTANT: Thank you.