You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Lewis.

ASSISTANT: For what service, you have reached here?

USER: Can you please help me to book a flight ticket from Detroit, DTW to New York, LGA?

ASSISTANT:  Sure, I can help you in that.

USER: Thank you.

ASSISTANT: When did you travel to New York and return form there?

USER: I have planned to travel on 11/02 and 11/04.

ASSISTANT:  Ok, Please wait.

USER: Ok.

ASSISTANT: We found a Frontier airline, with fare 100 having one connection for your journey.

USER: Ok, please book this ticket.

ASSISTANT:  Your booking is done with this flight 1021.

USER: Thank you.

ASSISTANT: Thanks for visiting our airlines, have a safe journey!.