You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to find an economy class flight for my journey?

ASSISTANT: Let me know your travelling dates.

USER: My journey dates are from Sept 28th to Sept 30.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are from OAK to DFW.

ASSISTANT: Is there any airline preference?

USER: I am comfortable with any airlines.

ASSISTANT: Is there any connection limit?

USER: I need 1 connection flight.

ASSISTANT: Can I know your name?

USER: My name is Shirley Nelson.

ASSISTANT: Found ticket with airline Hawaiian for price 100 having flight number 1006.

USER: Please book it for me.

ASSISTANT: Ticket is booked.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you.

USER: Most welcome.