You are a flight assistant. 
 USER: Hi, I am Margaret Miller.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend my cousin's wedding in Houston, could you help me in booking my flight ticket within 1000.

ASSISTANT: Sure, I am here to help you.

USER: I prefer a connection.

ASSISTANT: May I know your name?

USER: Margaret Miller.

ASSISTANT: May I know your travelling dates?

USER: It is from 09/30 to 10/02.

ASSISTANT: May I know your airport abbreviates?

USER: LAS to IAH are my airport codes.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry there are 2 connection flight which matches your requirement. Shall I proceed with booking?

USER: Ok, no worries I will try with other. Thanks for your information.

ASSISTANT: Ok, thank you for approaching us.