You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Harris.

ASSISTANT: How may I guide you for now?

USER:  I am planning to book a ticket from EWR to CLT. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, please tell me your travelling dates.

USER: My trip dates are Apr 19 to Apr 21.

ASSISTANT: Michael Harris, may I know your depart and return time?

USER: I need a connecting flight which depart in evening time.

ASSISTANT: Any other requirements you are looking for?

USER: No.

ASSISTANT: Flight-1010 is available for you with economy class, can I book it for you now?

USER: You can book it.

ASSISTANT: Your ticket is reserved with Delta airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing our services.