You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Amy Garcia, want to travel to Philadelphia, PHL to surprise by celebrating my sister's birthday. So, can you please book a flight ticket with fare 500?

ASSISTANT: Sure, may I know your source point?

USER: I want to board from Oakland, OAK.

ASSISTANT: Do you prefer any connections within your journey?

USER: Yes, I need a halt.

ASSISTANT: Let me know your travelling dates please.

USER: My scheduled dates of journey is 10/10 to 10/12.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. We found a Southwest airline with flight number 1004 and price of 100 matching with your request.

USER: Please proceed wit this flight to reserve.

ASSISTANT: Ok, your reservation has been processed.

USER: Thank you for booking flight ticket.

ASSISTANT: Thanks for choosing us.