You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am planning to celebrate my nephew's birthday in MI - DTW, will you help me in flight booking?

ASSISTANT: Sure, Can you please provide your complete journey details?

USER: My origin source from WA - SEA, and my travelling dates from 06/20 to 06/22.

ASSISTANT: May I know your name please?

USER: My name is Christopher Anderson.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with Frontier and flight number 1003 with price limit 100.

USER: Ok, confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, for your service.

ASSISTANT: Thank You have a safe journey.