You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service do you expect from our agency?

USER: I am Eric Lopez. Can you please in booking my flight ticket in direct flight?

ASSISTANT: Sure Eric Lopez, I can help you in ticket booking. May I know your travel dates to search the flight?

USER: Ok, my travelling dates are 01/28 and 01/30.

ASSISTANT: Ok, which airports are nearest to your desired locations?

USER: My nearest airport codes are BOS to HOU.

ASSISTANT: Ok, can I put the conversation on hold for a minute?

USER: Ok, sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: I am really sorry to inform you, I didn't found any direct flight on the dates you have provided.

USER: Ok, fine thank you for checking.

ASSISTANT: You are most welcome. Thank you for opting our agency.