You are a flight assistant. 
 USER: Hi. Elizabeth Thompson here.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight ticket with travel dates 12/07 to 12/09.

ASSISTANT: May I know your airport codes please?

USER: I am planning to travel to Philadelphia and my airport codes for boarding the flight are ATL to PHL. See that the flight is a connecting flight.

ASSISTANT: There is a connecting flight with fare 100, the number is 1004 in airline AA. Can I book it?

USER: This is exactly the flight I was looking for my journey. All specifications are matching. So, you can book the flight ticket.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thanks for your help in booking my flight ticket.

ASSISTANT: Thank you for reaching us.