You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Anderson here.

ASSISTANT: How can I help you today?

USER: I need your help in booking of a flight ticket between PHX and IAD, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I am happy to help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please mention your travel dates for booking flight ticket?

USER: Sure, I am willing to travel on 04/21 and please book my return ticket on 04/23.

ASSISTANT: Ok, please hold on a moment.

USER: Ok, take your time to check.

ASSISTANT: There is a flight available in this route, connection limit of this airline is 1 and price is 100. Are you ok with this flight?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, airline is Hawaiian and flight number is 1005.

USER: Thank you for your assistance, have a nice day.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.