You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know, how can I aid you today?

USER: As I am a doctor, I want to attend an emergency case at Seattle, SEA. Can you please help me for booking?

ASSISTANT: Sure, I am here to help you in booking. Let me know your source airport code, please.

USER: Sure, my source airport code is PHL.

ASSISTANT: Ok. Please, share me your travel dates. So that, I can check for the availability of flights on those dates only.

USER: Sure, my travelling dates are Oct 9 and Oct 11.

ASSISTANT: Let me know your connection limit for your journey.

USER: I would like to travel in single connected flight.

ASSISTANT: May I know your class preference, please?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer any specific airlines for the journey?

USER: No.

ASSISTANT: Please, provide me your departure and arrival timings.

USER: My depart time is afternoon and I will manage my arrival time.

ASSISTANT: Can you provide me your name to proceed further for reservation process?

USER: Sure, I am Jacob Taylor.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there are no flights available on your specified routes as per your specifications.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us.