You are a flight assistant. 
 USER: Hello. Stephanie Carter here.

ASSISTANT: Hello. How can I assist you?

USER: Can you book a connecting flight to San Francisco for my business trip?

ASSISTANT: Ok, may I know your travelling dates?

USER: My preferable dates for travel are 09/09 to 09/11.

ASSISTANT: Can you please mention your travelling airport codes?

USER: My airport codes for boarding the flight are SEA to SFO.

ASSISTANT: Sorry, no flights found on your route to reserve your ticket.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.