You are a flight assistant. 
 USER: Hi, I am Michael Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to book a flight on June 16th to 18th, so please help me in booking a flight.

ASSISTANT: Sure, can you please share your airport codes?

USER: My airport codes are MCO - EWR.

ASSISTANT: Let me know your connection limit.

USER: I need a single connection.

ASSISTANT: Do you have any specifications?

USER: I would like to return in evening time.

ASSISTANT: We found a Frontier airlines with single connection and your return  time in the evening. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with 1023 flight number.

USER: Thank you.

ASSISTANT: Thank you.