You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Debra Brown here, I want to reserve my ticket from DTW to EWR, can you please help me?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my preferable dates of journey is from 04/21 to 04/23.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait.

ASSISTANT: There is a flight in Frontier airline with price 200, can I book it?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for approaching us.