You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book a flight from PHL at morning flight?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 10/03 and 10/05.

ASSISTANT: Please provide your destination airport code.

USER: Please book a economy class flight to ORD.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please provide your name.

USER: My name is Sarah Baker.

ASSISTANT: There are no flights found under your preferable details.

USER: No issues, thank you.

ASSISTANT: Welcome, have a great day.