You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Thomas Carter here. I was planning to visit Houston museum in the next week. So, can you check for the flights from IAD to IAH?

ASSISTANT: Sure, we are glad to help you. May I know your travelling dates?

USER: My journey will start on Aug 11 and I will be returning on Aug 13.

ASSISTANT: Ok, do you need any break in between journey?

USER: Yes, 1 break will be ok.

ASSISTANT: Do you have any other specifications?

USER: I can only afford 1000.

ASSISTANT: Thanks for providing details, we found a connecting flight in Delta airline with a fare of 200 and the flight number is 1004. Shall I reserve?

USER: Sure, you can proceed with booking.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.

USER: Welcome.