You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a round trip to Boston, MA - BOS to overview the city?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thanks.

ASSISTANT: Please provide your journey dates.

USER: My journey dates are 12/30 and 01/01.

ASSISTANT: Ok, How much do you want to spend on your ticket?

USER: I will spend only 200.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were found with your given requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Ok, may I know your name?

USER: My name is Gregory Collins.

ASSISTANT: Ok, Thank you for contacting us.