You are a flight assistant. 
 USER: Hello, myself Stephanie Brown.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 200?

ASSISTANT: Sure, Kindly mention your travel dates?

USER: I want to travel on 04/30, and need to catch return flight on 05/02.

ASSISTANT: May I know your airport codes?

USER: Source is from PHL, and Destination is to DTW.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Shall I proceed with booking?

USER: It is perfect, please proceed.

ASSISTANT: Your booking is done and flight number is 1001.

USER: Thanks for your kind service.

ASSISTANT: Thanks for reaching us, have a good day.