You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I amend you?

USER: I am Scott Nelson. I would like to go for religious festival with my family at Washington, Can you help me in my booking?

ASSISTANT: Sure. May I know your travelling dates?

USER: I will start on 06/19. I will return on 06/21.

ASSISTANT: Do you have any connection limit?

USER: I need a halt in my journey.

ASSISTANT: To proceed booking I need your airport codes.

USER: My source is Philadelphia, PA - PHL. My destination is Washington, DC - DCA.

ASSISTANT: Please, wait.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with airline: Hawaiian, flight  number:1020, price 100,1 connection.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for being my helping hand.

ASSISTANT: Thank you reaching us.