You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I want to change my recent reservation as my joining date got postponed. Can you help me in changing?

ASSISTANT: Please let me know your name.

USER: My name is Amanda Phillips.

ASSISTANT: Reservation found. Please provide your travelling codes.

USER: My journey points are New York, EWR to Philadelphia, PHL.

ASSISTANT: May I know your travel dates?

USER: My travelling dates on 03/03 and 03/05.

ASSISTANT: Flight ticket can be booked with airline Delta for price 100. Flight number is 1001 with connections 1.

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your  help.

ASSISTANT: Thanks.