You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket in my preferable travel dates Aug, 4 and Aug, 6.

ASSISTANT: May I know your airport codes?

USER: IAD and OAK are my airport codes.

ASSISTANT: Please provide your specifications.

USER: I prefer to connecting flight to travel.

ASSISTANT: May I know your name in the meanwhile?

USER: Sandra Hall here.

ASSISTANT: I got a connecting flight-1001 in economy class, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, booking is done on Jetblue airline with the name Sandra Hall.

USER: Thank you.

ASSISTANT: Welcome, have a good day.