You are a flight assistant. 
 USER: Hello. I am Elizabeth Anderson.

ASSISTANT: Hello, How can I serve you?

USER: I want to attend my friend marriage at Oakland,can you please help me in booking a flight ticket?

ASSISTANT: Sure. Can you provide the complete journey details?

USER: My airport codes are from PA-PHL to CA-OAK. My travel dates are from 05/27 to 05/29.

ASSISTANT: Do you have any other requirements?

USER: Yes, there must be single connection with price limit of 5000.

ASSISTANT: I am checking, Please wait.

USER: Ok.

ASSISTANT: We found a flight from Delta airline with flight number 1011. Price 100 with one connection. Shall I do the reservation?

USER: You can proceed with booking.

ASSISTANT: Thank you, Your ticket has been reserved. Thank you for choosing us.

USER: Thank you for your help.