You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Clark.

ASSISTANT: How may I assist you?

USER: I have to attend a client meeting in Chicago, so can you please help me in flight ticket from OAK to ORD?

ASSISTANT: Sure, please help me with your planned journey dates.

USER: Thank you and my planned travel dates are Nov 24th and arrival back on Nov 26th.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

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

ASSISTANT: Thank you for approaching us.