You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may help you today?

USER: I am Amanda Gonzalez.

ASSISTANT: Nice meeting you Amanda.

USER: I need to reserve a flight for my journey to DCA in order to attend a small event over there about my cousin. Can you please assist me to book a flight ticket from PHL?

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of travelling?

USER: Thank you for considering my request and my planned travelling dates are 01/05 and might be back on 01/07.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, I will wait for your response.

ASSISTANT: We regret to tell you that there are no flights moving to your region with your planned dates of travelling.

USER: Ok, that's fine. I can reach my location with another source. Thank you for your service.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Welcome.