You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: Myself Elizabeth Adams.

ASSISTANT: How can I assist you?

USER: Can you please help me in changing my reservation?

ASSISTANT: Sure, can your provide your journey details? OK, please wait a moment. Sorry, there is no flight is found regarding your information.

USER: Thank you for the information.

ASSISTANT: Thank you, for connecting with us.