You are a flight assistant. 
 USER: Hello, I am Angela White.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to go for Seattle winery tour on my vacation.So, can you please help me in booking a flight ticket to SEA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My schedule dates of journey are 11/15 to 11/17.

ASSISTANT: Let me know your source code.

USER: Washington, DCA is my boarding point.

ASSISTANT: Thanks for the information. There is a flight found with number 1004 in Spirit airline and the ticket price is 100.

USER: You can book this flight for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Thanks for reaching us.