You are a flight assistant. 
 USER: Hi, I am Mary Johnson.

ASSISTANT: Hello, how may I best serve you today?

USER: To watch out all the beautiful places, I planned to travel on 01/23. So, can you help me in booking a flight?

ASSISTANT: Sure, when would like to return on?

USER: I planned to back on 01/25.

ASSISTANT: Let me know your source and landing airport codes?

USER: Detroit, DTW is the source. New York, EWR is the destination.

ASSISTANT: We found a flight 1023 in Frontier airline the price is 100 with one halt. Shall I proceed?

USER: Yes, You can go ahead to book.

ASSISTANT: Your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you.