You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help?

USER: I am Raymond Brown. Can you please reserve me a flight ticket which is having it's depart time in the evening?

ASSISTANT: Sure, please let me know your airport codes.

USER: I would like to fly from CLT to LAS.

ASSISTANT: On what dates are you planning to depart and return?

USER: I have planned to travel on Apr 11th and return on 13th.

ASSISTANT: Please share depart and return time for your journey.

USER: I have planned to travel at evening time.

ASSISTANT: In which class are you looking for this ticket?

USER: I am looking for economy class.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: We have a flight which departs in the evening at 1 AM and the fare is 100. Shall I continue with the booking?

USER: Ok, please book this ticket.

ASSISTANT: Your seat is reserved in economy class of Spirit airlines flight, number 1012.

USER: Thank you.

ASSISTANT: Thank you for reaching us.