You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to book a flight ticket with a less cost of 200 in the month of June. Can you please assist me to book a flight ticket?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates of travelling?

USER: Sure, my preferable dates of travelling are 06/14 and 06/16.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: Sure, my origin airport code is BOS and destination airport code is EWR.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please, book it in the name of Mark Parker.

ASSISTANT: Based on your information, I have found flight with 2 connection with the fare of 100. Is it ok for you?

USER: No, I want a single connected flight.

ASSISTANT: Ok, please be on hold to check.

USER: Ok, sure.

ASSISTANT: Sorry to inform you that, there are no flights found with your required connections.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.