You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Hall.

ASSISTANT: How can I help you?

USER: I have to attend my final examination in Boston, can you please help me in searching the flight from Houston?

ASSISTANT: Sure, I am oblige to help you in that booking. May I know your departure and arrival dates of your journey?

USER: Thank you for accepting my request. My departure and arrival dates of your journey are 03/14 and 03/16.

ASSISTANT: May I know your source and destination region airport codes?

USER: The source and destination airport codes are IAH and BOS.

ASSISTANT: Let me check with that one in our data base, give me a moment.

USER: Ok, take your time.

ASSISTANT: No flights are obtained on my search for your travelling dates to reserve a flight ticket for you to travel Boston.

USER: It's ok, thank you for searching the flight with my details.

ASSISTANT: It's my pleasure and have a nice day.