You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Williams Jones, recently got married, so I want to give a beer party to all my colleagues at DFW. Can you be my helping hand to reserve a ticket with a price limit of 500?

ASSISTANT: Ok, what dates would you like to book this ticket for?

USER: I am planning a party on 04/19 and I will return on 04/21.

ASSISTANT: Ok, please mention your source code.

USER: My source code is IAH. Check with one connecting flight.

ASSISTANT: Ok, found a flight 1014 in JetBlue airline matching your details with price 100. Shall I proceed with your booking.

USER: Yes, proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for great service.

ASSISTANT: Thanks for choosing us. Have a safe journey!.