You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: Would you please book a flight with a fare of 500?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May  I know on what dates that you prefer to travel?

USER: I choose to travel on 06/29 and return on 07/01.

ASSISTANT: Kindly assign your boarding and landing airport codes?

USER: Los Angeles, LAX is the origin point. To attend the film festival, I planned to move from LAX to New York, EWR.

ASSISTANT: May I know your name please?

USER: I am Nicholas Smith.

ASSISTANT: Do you need a halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Thank you for your details, sorry we did not find any flights matching your essentials.

USER: Ok, I will go with other alternative. Thank you.

ASSISTANT: Thank you for connecting with us.