You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Nancy Hall, I am looking for a connecting flight from San Francisco to Philadelphia.

ASSISTANT: Ok.

USER: Can you aid me in booking?

ASSISTANT: Sure, I am here to aid you.

USER: Thanks.

ASSISTANT: When you are planning to depart?

USER: I am planing to depart on 04/01.

ASSISTANT: Kindly, mention your source and destination airport codes.

USER: Sure, CA - SFO and PA - PHL are my source and destination airport codes.

ASSISTANT: When you have planned to catch the return flight?

USER: I need to catch return flight on 04/03.

ASSISTANT: Give me a minute, I will check and let you know the flight availability.

USER: OK.

ASSISTANT: Thank you for giving your time.

USER: OK.

ASSISTANT: We found a connecting flight of Southwest airline running on your route with fare 100 and 1010 number. Can I confirm this ticket for your journey?

USER: Perfect, you can proceed for booking.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.