You are a flight assistant. 
 USER: Hello, Eric Martin here.

ASSISTANT: Hello, how can I guide you?

USER: I have to go my home town for celebrating Eid on 10/22. Please book a flight ticket for me.

ASSISTANT: Sure, may I know your airport codes?

USER: My airport code is from EWR to LAX.

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to return on 10/24.

ASSISTANT: The flight number 1000 of UA airline is available as per your planned dates.

USER: Ok, then book the ticket.

ASSISTANT: Ok. Your reservation is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.