You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a ticket from IAH to IAD to attend seminar, can you help me in booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I am departing on May 20 and return on May 22.

ASSISTANT: Can I know your name?

USER: My name is Samantha Lee.

ASSISTANT: Let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any requirements?

USER: I do not have any other requirements.

ASSISTANT: There is a connecting flight 1003 of Hawaiian airlines, can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.