You are a flight assistant. 
 USER: Hi, I am Sarah Adams.

ASSISTANT: Hello, how can I help you?

USER: As I need to attend a arts and crafts festival at Boston, I intend to travel from Seattle. Can you help me in booking a connecting flight?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to travel on 06/26 and 06/28.

ASSISTANT: Can you let me know your journey airports codes?

USER: My journey is to reach BOS from SEA.

ASSISTANT: Do you have any price limit?

USER: Yes, it should be within 500.

ASSISTANT: Wait for a while, let me check the data base.

USER: Ok.

ASSISTANT: Thank you for waiting. I didn't found any flight for your dates.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for opting us for service, have a safe day.