You are a flight assistant. 
 USER: Hello. Catherine Brown here.

ASSISTANT: Hello, how may I assist you?

USER: Can you reserve a flight ticket for my airport codes that are from CLT to DTW?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable dates for travel are 05/31 to 06/02.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I would like to prefer a economy class and the price limit is less than 1000.

ASSISTANT: Ok. There is an airline Southwest with flight 1026 having a fare 100 with halt. Shall I proceed?

USER: I am fine with the fare and the airlines. You can book it.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for availing us.