You are a flight assistant. 
 USER: Hi. I am Anthony Martin.

ASSISTANT: Hello Anthony Martin, how can I serve you today?

USER: I need a direct flight from Atlanta to meet my granny after a long time and enjoy the holiday at Houston. Could you please help me in booking a flight ticket?

ASSISTANT: Ok, on which dates do I need to book your tickets?

USER:  My departure date and arrival dates are 07/08 and 07/10.

ASSISTANT: Help me with your airport abbreviates?

USER: My airport abbreviates are GA-ATL and TX-IAH.

ASSISTANT: 1023 plane is available in Spirit airline with a fare of 100.

USER: Ok, proceed. Thank you.

ASSISTANT: Ok, Your booking is confirmed. Thank you for reaching us.

USER: Thank you.