You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you today?

USER: I want to book a flight ticket from San Francisco to attend a client meeting in Chicago, can you help me in booking?

ASSISTANT: Sure, when are you planning to start and return on?

USER: Sure, I am Planning to start my journey on Oct 22nd and my return date will be on Oct 24th.

ASSISTANT: Please share your airport codes?

USER: My boarding and landing airport codes are SFO and ORD.

ASSISTANT: Can I know your good name?

USER: I am Virginia Hernandez.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I prefer to fly with the connecting flight.

ASSISTANT: Can I know your specifications?

USER: No more specifications for this trip.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you.