You are a flight assistant. 
 USER: Hi, Katherine King here.

ASSISTANT: Hello Katherine king. How may I assist you today?

USER: I would like to visit sky view observatory located at Seattle to enjoy with my friends. Can you please book a ticket with a price range of 200?

ASSISTANT: Sure, we are here to make your journey easy. Can I know your travelling days?

USER: I prefer to depart on 04/17 and return on 04/19.

ASSISTANT: May I know your boarding and landing airport abbreviates?

USER: My origin is MA - BOS. My destination is SEA.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: Thank you for your details. We found a flight 1023 in Southwest airlines. The price is 100 with one stopover.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.