You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Kenneth White. I want to book a flight ticket to Houston, to submit my research record at Houston university.

ASSISTANT: Sure, I will help you. Please provide your travelling dates.

USER: Sure, 07/06 and 07/08 are my travelling dates.

ASSISTANT: Noted. Please send your nearby airport codes.

USER: Sure, I want to board from, Washington, DC-IAD and land at Houston, TX-HOU.

ASSISTANT: Please wait for a while, I will check the availability.

USER: Sure.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: Thank you for your quick service.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.