You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to airline services.

USER: My name is Karen Smith.

ASSISTANT: What can I do for you now?

USER: I want to met my fiance at BOS. Can you help me in booking a flight ticket?

ASSISTANT: Sure. Let me know your journey dates.

USER: My journey dates are from 05/18 to 05/20.

ASSISTANT: Do you have any specifications?

USER: I can bare up to 1000. Connection should be 1.

ASSISTANT: What is your other airport code?

USER: I will board at DEN.

ASSISTANT: Thanks for waiting. You have no flight that matches with your information.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for opting us.