You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gregory Thomas here.

ASSISTANT: How may I assist you today?

USER: I am looking for a flight ticket with evening as the depart time. So can you book it for me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: The travel dates are from 24 May to 26 May.

ASSISTANT: May I know your airport codes please?

USER: Yes, my airport codes are from MSP to LAS.

ASSISTANT: We found a connecting flight with an airline Frontier of flight 1011 in an economy class with depart time 22:00 PM. Can I proceed?

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

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you.