You are a flight assistant. 
 USER: Hi, this is Nicole Martinez.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to book a flight ticket from ATL to SEA. Can you help me in that?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know your preferable dates of journey please?

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

ASSISTANT: Do you have any particular time for departing and returning?

USER: My depart time should be in the afternoon.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am okay with any class.

ASSISTANT: Do you need any layover in between journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, We have found a connected flight with Delta airlines, flight number 1028 and the fare of 200. Would you like me to book the ticket?

USER: You can proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us, wish you a great journey.