You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I helpful to you?

USER: I am Cynthia Rodriguez, help me to book a flight from Houston to visit science fair with my friend. Can you help me to book a flight under fare of 200?

ASSISTANT: Sure, on what dates you have planned to travel?

USER: I will travel on 12/25 and return on 12/27.

ASSISTANT: Ok, are you looking for direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Can I have your airport abbreviates please?

USER: My source point is TX-IAH and destination is CA-OAK.

ASSISTANT: Please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for your time, I found a direct flight based on your requested dates. Shall I confirm?

USER: No, better to get me a connecting flight. Thank you for helping me.

ASSISTANT: Ok. Thank you.