You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Kenneth Taylor. I want to book a flight ticket from LGA  to SFO. Please help me in booking a flight ticket.

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

USER: My trip dates are from 03/25 to 03/27.

ASSISTANT: Do you need any specification for this journey?

USER: I need a halt in between my journey.

ASSISTANT: Based on you requirements, there are no flights are available on your journey dates.

USER: No problem, I will find my alternative. Thanks for your information.

ASSISTANT: Thank you for reaching our service.