You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am David Jackson. I need to travel from LAS to EWR.

ASSISTANT: Ok. Can you provide your journey dates?

USER: Ya sure. Depart is on 01/25 and returning is on 01/27.

ASSISTANT: There is a flight with number 1018 in airline AA. Do you have any specifications?

USER: Please book it.

ASSISTANT: Your ticket is booked, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for availing us.