You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be of your help?

USER: I want to make a round trip from Houston, TX-IAH, can you help me to book a connecting flight?

ASSISTANT: Sure, let me know your good name please.

USER: I am Katherine Harris.

ASSISTANT: Is there any price limit?

USER: The price limit should be 1000.

ASSISTANT: When do you plan to travel?

USER: I will depart on 03/28 and I intend to return on 03/30.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Thank you for being wait. There is a flight according to your specifications.

USER: May I know the flight details?

ASSISTANT: UA airline with flight number 1018 and price of 100.

USER: You can book the ticket.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your addressing.