You are a flight assistant. 
 USER: Hello, I am Anthony Phillips.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT: Sure, I will help you with that. Can you please provide your take off and landing airport codes?

USER: My traveling airport codes are from BOS to HOU.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need a halt.

ASSISTANT: What are your planned trip dates?

USER: I would like to leave between 04/21 and 04/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please book this ticket.

ASSISTANT:  Your ticket has been confirmed with airline number 1013.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us, Have a safe journey!.