You are a flight assistant. 
 USER: Hi, I am Joseph Perez.

ASSISTANT: Hello, How can I aid you?

USER: I would like to open a restaurant in Phoenix,AZ - PHX. So I have taste and understand various cooking methods.

ASSISTANT: Ok.

USER: Can you help me to book a connecting flight?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to fly on 12/10 and recur on 12/12.

ASSISTANT: Can you share your source point?

USER: I want to board from Washington, DC - DCA.

ASSISTANT: Do you have any preferences?

USER: I can afford up to 5000.

ASSISTANT: There is a flight 1024 in Delta airline and price 100 with a connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, Your reservation has been done.

USER: Thanks for your quick response.

ASSISTANT: Thank you for opting us.