You are a flight assistant. 
 USER: Hello. Shirley Anderson here.

ASSISTANT: Hello, welcome to our agency. How may I help you?

USER: I would like to attend a business conference in Washington, can you please help me out is there any flight available to go there?

ASSISTANT: Shirley Anderson, can you please tell me your travelling dates for this journey?

USER: Sure, I am planning to move on 04/27 and please book my return ticket on 04/29.

ASSISTANT: What are your desired airport codes for this journey?

USER: I will prefer MSP and IAD as my origin and destination airport codes respectively.

ASSISTANT: Please give me a moment to check with availability.

USER: Ok, take your time.

ASSISTANT: Flight-1011 is available for you with 1 connection at the price of 100 by Hawaiian airlines, can I book it for you?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Your ticket is reserved successfully, thank you for contacting our services.

USER: Thank you for your assistance in booking of my ticket.

ASSISTANT: Have a great day ahead.