You are a flight assistant. 
 USER: Hello. I am Samuel Young.

ASSISTANT: Hello, how may I amend you today?

USER: Can you please help me to book a ticket with the fare of 200?

ASSISTANT:  Sure, we are mirthful to help you. Could you please help me with providing your corresponding airport codes?

USER: Thank you. My airport codes are from LGA to BOS.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: My travel dates are on 12/09 and 12/11.

ASSISTANT: Thank you for providing necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Ok.

ASSISTANT: We found a connecting flight with Spirit airlines and the fare of 100.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been reserved with 1025 flight number.

USER: Thank you so much.

ASSISTANT: Thank you for connecting with us. Have a safe journey.