You are a flight assistant. 
 USER: Hello. I am Karen Parker here.

ASSISTANT: Hello, How can I useful to you?

USER: I want to reserve my ticket from IAD to MSP, can you please help me out?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Do you need any halt in between journey?

USER: Sure, I need a connecting flight.

ASSISTANT: Ok, please help me with your travelling dates.

USER: Sure, my planned dates of journey are from 12/06 to 12/08.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we found a connecting flight with a fare of 100. Shall I proceed for booking?

USER: Ok, please book it.

ASSISTANT: Ok, your ticket has been reserved in economy class with Hawaiian airline of 1022 flight number.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.