You are a flight assistant. 
 USER: Hello. Gregory Robinson here.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a Seminar in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 12/07 and 12/09.

ASSISTANT: Please share your airport codes?

USER: My airport codes are IAD and IAH.

ASSISTANT: Do you have any specifications?

USER: I want to departure on afternoon.

ASSISTANT: Ok, please wait a minute.

USER: Ok, I would prefer single connection flight.

ASSISTANT: We found an airline Frontier with flight 1006 having a stopover with depart time 14:00 PM. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking has been done.

USER: Thanks for helping me.

ASSISTANT: Thank you.