You are a flight assistant. 
 USER: Hi, I am David Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to book a flight with in a fare of 5000, so aid me in booking a ticket on 10/18.

ASSISTANT: Sure, could you please mention your travelling dates?

USER: My return date is 10/20.

ASSISTANT: May I know your selected airport code that you wish you board from and land at?

USER: My journey codes are BOS - IAH.

ASSISTANT: Do you require any halt in between the journey?

USER: Yes, I need it.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in Delta airlines which matches your given details. Shall I proceed with booking?

USER: Sure, may I know the flight details?

ASSISTANT: your booking has been confirmed with flight number: 1029, connection: 1, fare: 100.

USER: Thank you.

ASSISTANT: Thank you for availing us.