You are a flight assistant. 
 USER: Hello, I am Helen Harris.

ASSISTANT: Hello, how can I help you today?

USER: I would like to take my children to Austin Children's Museum at Houston. Can you book me a ticket from LAX to IAH?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: I would start on Sept 9th and return on Sept 11th.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes.

ASSISTANT: How much you can afford for your ticket?

USER: I can spend up to 500 for this booking.

ASSISTANT: OK, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: We found couple of connections and UA airline and number 1003 fare of 100. Shall I proceed for booking?

USER: Ok, don't proceed. I need a single lay by.

ASSISTANT: Ok.

USER: Thanks for your assistance.

ASSISTANT: Thanks for approaching us.