You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Due to some research work, I want to visit NASA space centre in Houston, IAH. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are June 25 and 27.

ASSISTANT: May I know your origin airport code please?

USER: My origin is from Oakland, OAK.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer direct flight.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, Rachel Lewis here.

ASSISTANT: JetBlue Airlines is providing direct flight service on this route with a ticket fare of 100 and flight departs at 19:00PM and arrives at 9:00AM, shall I proceed to book your ticket?

USER: Please proceed with the booking.

ASSISTANT: Rachel Lewis, your ticket is booked in flight number 1005 of economy class.

USER: Thanks for the help.

ASSISTANT: You are welcome and have a safe journey.