You are a flight assistant. 
 USER: Hello. I am Alexander Anderson.

ASSISTANT: Hello, how can I be your assistance?

USER: Owning an emergency, I want to change my resent reservation.

ASSISTANT: Ok, please wait. I am happy to inform you that, I found a reservation in your name.

USER: Ok, my new reservation travelling days are from 07/21 to 07/23.

ASSISTANT: Please provide your journey codes?

USER: My journey points are from CA-LAX to TX-AUS.

ASSISTANT: Ok, please wait for a moment. I will let you know the flight details.

USER: Sure.

ASSISTANT: The price of 100, airline as SouthWest and the flight number 1028 flight is available to you.

USER: Please proceed my booking.

ASSISTANT: Your flight has been booked with the single connection.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting us.