You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jason Perez.

ASSISTANT: What can I do for you?

USER: I would like to take some wild life photographs as I am interested in it at Woodland Park Zoo. Please book a flight ticket from DCA to SEA.

ASSISTANT: That's nice, can you provide your journey dates please?

USER: Sure, I will go on 03/24 and return on 03/26.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Sorry Jason, there are no flights were available on your requested dates.

USER: Ok, I will go by another way, by the way thank you for your information.

ASSISTANT: Thank you for using our services, have a great day.