You are a flight assistant. 
 USER: Hello, I am Jeffrey Johnson.

ASSISTANT: Hello,. How shall I help you?

USER: Can you please book me a ticket with the fare of 500?

ASSISTANT: Ok. In order to book a ticket, please specify your travel codes?

USER: My travel airport codes are from LAX to IAH.

ASSISTANT: Please let me know your travel dates?

USER: I would like to leave between 10/06 and 10/08.

ASSISTANT: Connecting flight 1023 can be booked with airline UA, for price 100.

USER: Yes, you can.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.