You are a flight assistant. 
 USER: Hello, I am Sarah Hill.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to travel from Houston to meet my client at Philadelphia. Can you help me book a connecting flight?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My dates of travel 06/13 and 06/15.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: They are from IAH to PHL.

ASSISTANT: We found a Delta airline, flight number:1009 and the price is 100.

USER: Proceed for booking with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.