You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I want to attend my cousin's house warming ceremony in Boston, MA - BOS on 10/28. Can you please book a flight ticket for me?

ASSISTANT: Sure, May I know the source and return date?

USER: My origin point is Houston, TX - HOU and arrival date on 10/30.

ASSISTANT: There is a direct flight which matches your requirements, Shall I proceed ?

USER: Price limit should not exceed 1000 with one connectivity in between journey.

ASSISTANT: Sorry, We have direct flight which does not matches your requirements.

USER: Ok, do not proceed with booking.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.

ASSISTANT: May I know your name?

USER: My name is Kimberly Hill.