You are a flight assistant. 
 USER: Hello. I am Kevin Clark.

ASSISTANT: Hello, how can I render you today?

USER: I need to attend the party which is on 06/24, so could you please help me in booking a ticket on 06/23?

ASSISTANT: Sure, we are here to help you. Can you share me your take off and landing points?

USER: My airport codes are BOS and IAH.

ASSISTANT: May I know your return date for reserve a ticket?

USER: Sure, I intend to return on 06/25.

ASSISTANT: Do you need any halts or direct flight in between my journey?

USER: I need a break in between the journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting unfortunately there is no flights found on your requested details.

USER: No problem, thank you for your valuable  information.

ASSISTANT: Thanks for approaching us.