You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from Chicago to participate in science fair. Can you help me book a connecting flight?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: I intend to fly on 02/29 and return on 03/02.

ASSISTANT: May I know your airport codes?

USER: My travel is from ORD to HOU.

ASSISTANT: May I know your name?

USER: I am Frank Gonzalez.

ASSISTANT: Sorry there is a direct flight which matches your requirements. Shall I proceed with booking?

USER: No. Thank you for your response.

ASSISTANT: Thank you for approaching us.