You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ruth Lee.

ASSISTANT: How can I assist you?

USER: I want to travel from DEN to SFO to attend a conference meeting. Will you please help me in booking my ticket?

ASSISTANT: Sure Lee, can I know the travel dates please?

USER: My preferable dates are from 06/09 to 06/11.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your finest time.

ASSISTANT: There is a flight in Southwest airline with price 100, can I book it?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.