You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Philadelphia, can you please book me a ticket from LAS to PHL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferable journey dates are from 01/01 to 01/03.

ASSISTANT: Can you please tell me your name?

USER: My name is Dennis Campbell.

ASSISTANT: The AA airline with flight number 1026 is available having price as 100 and connection as 1. Shall I proceed?

USER: Please reserve my ticket with this flight.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for opting us.