You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am heading from Philadelphia to meet my cousin on her birthday at Houston. Can you help me book a connecting flight?

ASSISTANT: Sure, I am here to help you. May I know your source and destination airport codes?

USER: My source is PHL and destination is HOU.

ASSISTANT: Help me with your travelling dates?

USER: My travelling dates are 06/02 and 06/04.

ASSISTANT: Let me know your good name please?

USER: Stephanie Brown is my name.

ASSISTANT: We found a connecting flight with fare of 100 in Delta airline, 1028 flight number. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the booking.

ASSISTANT: Thanks for opting us.