You are a flight assistant. 
 USER: Hello, I am Melissa Adams.

ASSISTANT: Hello. How can I be your helping hand for the day?

USER: I need to schedule my trip to Los Angeles to attend for a business meeting.Can you please help me in booking a flight ticket from Detroit to LAX?

ASSISTANT:  Sure, I need your boarding point to book a ticket.

USER: My boardimg will be from DTW.

ASSISTANT: Let me know your price limit, if you have?

USER: I can afford up to 5000.

ASSISTANT: What are your planned trip dates?

USER: I am willing to travel on 01/05 and again I will return back on 01/07.

ASSISTANT: Thanks for waiting. Southwest airline is available for you in your route. 1019 flight having a Price of 100 with 1 connection.

USER: You can book this flight for me.

ASSISTANT: Sure, reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.