You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My self Gregory Hill. I want to book a flight ticket, can you please help me?

ASSISTANT: Yes, could you provide me source and destination details?

USER: My source is from Washington, DC-IAD to Houston, TX-IAH.

ASSISTANT: OK, could you please tell me travelling dates?

USER: Sure. My preferring dates are from 12/12 to 12/14.

ASSISTANT: OK, can I know is there any price limit?

USER: Yes, the flight ticket should not exceed 200.

ASSISTANT: OK, is there any connection limit?

USER: Yes, there should be 1 connection please.

ASSISTANT: OK, I had found a flight matching your criteria. The flight number is 1027 of hawaiian airlines.

USER: So, please book the ticket for me.

ASSISTANT: The price is 100 with a connection of 1.

USER: OK.

ASSISTANT: Can I proceed with the booking?

USER: Sure.

ASSISTANT: Thank you Gregory for your details. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Have a nice journey.