You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi,. How I can be helpful to you?

USER: I need a flight ticket to Atlanta for business meeting. Can you please book me a flight ticket?

ASSISTANT: Surely,may I know your journey details?

USER: My journey points are source is Denver, CO - DEN and destination is Atlanta, GA - ATL. My travelling dates are 01/11 and 01/13.

ASSISTANT: OK,wait for a minute,I will let you know.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Sarah Thomas is my name.

ASSISTANT: Thank you. Thank you for your patience. We have found a flight having one connection with 1003 flight number. Southwest airline with cost 100.

USER: Ok, please proceed for booking.

ASSISTANT: Shall I proceed? OK. Your reservation has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for contacting with us. Have a safe journey.