You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Due to some emergency, I want to change my existing reservation. Can you help me with it?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Please, provide me your new journey details.

USER: Sure, I am starting from EWR - LAX. Travelling dates of month Feb from 4 to 6.

ASSISTANT: Ok, wait a minute.

USER: Ok.

ASSISTANT: We found a seat regarding your details. Flight number is 1001, airline is Southwest with single connection and price of 100.

USER: Ok, You can proceed with the reservation.

ASSISTANT: Sure, your ticket has been booked. Provide me your good name?

USER: I am Scott Campbell.

ASSISTANT: Thank you, for reaching us.

USER: Thank you, We are happy with your service.