You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Houston to make a documentary about street children's, can you book a flight ticket with price of 200?

ASSISTANT: Sure, may I know your connection limit?

USER: Sure, connection limit is one.

ASSISTANT: Let me know your departure and arrival dates?

USER: My arrival date is on 07/03 and departure date is on 07/01.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are from CA - LAX to TX - IAH.

ASSISTANT: Please wait for a while, let me check and back to you.

USER: Ok.

ASSISTANT: Sorry to notify, there is no flight found on your given specifications.

USER: Ok, thank you for your assistance. I am Jerry Lopez.

ASSISTANT: Thank you for availing us.