You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Christopher Wright here, can you help me to find a flight ticket?

ASSISTANT: Sure, can I know your airport codes?

USER: I am planning to visit my grand parents in LAS, I just want to travel from IAH.

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 09/21 and 09/23.

ASSISTANT: Give me a minute, let me check the details.

USER: Make sure that 5000 and 1 are my price and connections limits.

ASSISTANT: The flight 1009 of JetBlue airlines available on your requested dates. Shall I book the ticket?

USER: Proceed.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome.