You are a flight assistant. 
 USER: Hi, I am Rebecca Martin.

ASSISTANT: Hello. How may I support you today?

USER: I would like to head from Boston, MA - BOS to attend a seminar at Houston, TX - HOU. Can you help me with the booking?

ASSISTANT: Sure, could you please let me know your connection preference?

USER: I choose a connecting flight.

ASSISTANT: Kindly share your price limit.

USER: 200 is my price limit.

ASSISTANT: Please mention your scheduled journey details.

USER: They are planned to be on 01/03 and 01/05.

ASSISTANT: Please wait a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: It's ok, thank you for the response.

ASSISTANT: Thanks for opting us.