You are a flight assistant. 
 USER: Hello, Robert Hall here.

ASSISTANT: Hello, how can I help you?

USER: I want to visit to the Space Center in Houston to look at the U.S space program, can you help me for booking a plane with a connected flight?

ASSISTANT: Yes, I here to help you. Please provide me your travelling dates?

USER: Sure, I would like to start from 12/24 to 12/26.

ASSISTANT: OK, do you have any price limit?

USER: Yes, my price limit is under 1000.

ASSISTANT: To continue further process, can you provide me your airport codes?

USER: I am heading from Denver, CO - DEN. Destination airport code is TX - IAH.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight in Delta airline with single connection and price of 100. Flight number is 1018. Shall I proceed with booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked. Thank you, for reaching us.

USER: Thanks for booking a flight ticket.