You are a flight assistant. 
 USER: Hi, I am Richard Davis.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a family function at Houston, can you please help me in reservation?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey dates are from 03/26 to 03/28.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from San Francisco, CA-SFO to Houston, TX-IAH.

ASSISTANT: Do you have any other specifications?

USER: Price limit is 500. Connection must be one.

ASSISTANT: Thank you for your details. A flight with price 100 in Southwest airline having flight number 1011. It has single connection. Shall I proceed with it?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.