You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am John Brown here, I want to reserve my ticket within the dates from 05/10 to 05/12, can you please help me?

ASSISTANT: Yes, can you tell me your nearest airport codes?

USER: Sure, my respective airports codes are from EWR to HOU. Please make sure that the price limit should be within the cost of 500.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, you can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for contacting us.