You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: As I am a scientist, I want to attend science festival with my students at Washington, DCA.

ASSISTANT: Ok.

USER: Can you help me to book a ticket from Seattle, SEA?

ASSISTANT: Sure, I will help you in booking a ticket. May I know your price limit?

USER: Price should not cross 5000.

ASSISTANT: Could you please mention your travelling dates?

USER: Dates are 09/26 and 09/28.

ASSISTANT: May I know your name for booking?

USER: Virginia Taylor here.

ASSISTANT: There is a Hawaiian 1027 airline with fare of 300 which matches your travelling dates. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your booking has been confirmed on name of Virginia Taylor.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.