You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am planning to go Boston to celebrate my father birthday. Can you help me to book a flight ticket?

ASSISTANT: Ok, we are mirthful to help you for booking. Can you please provide your name?

USER: I am Michelle Smith.

ASSISTANT: Let me know your airport codes for booking.

USER: Airport codes are 11/24 and 11/26. Sorry, Airport codes are SEA-BOS.

ASSISTANT: Ok, Do you need any halt?

USER: Yes, I need a connecting flight. Price limit is 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connected flight with a fare of 100.

USER: Go ahead for the booking.

ASSISTANT: Ok, the booking has been done with 1008 Spirit airline.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.