You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Ronald Hall here, can you assist me in booking a flight ticket to Philadelphia PA-PHL?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates will be 06/24 to 06/26.

ASSISTANT: Ok, let me know your source airport code?

USER: My source is from Los Angels CA-LAX.

ASSISTANT: We found a flight from UA airline with 1 connection and fare is 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is booked with 1003 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.