You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me with flight ticket modification process that I am unable to travel the trip on those dates?

ASSISTANT: Sure, we are here to help you.

USER: Thank you so much.

ASSISTANT: Could you please let me know to check the reservation status?

USER: My name is Samantha Perez.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Sure,  I can wait.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: Not an issue with that one, thank you for your immediate response.

ASSISTANT: Thank you for approaching us.