You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Mitchell.

ASSISTANT: What service you are looking for?

USER: I want to attend my sister's weeding in San Francisco- SFO, can you please search a flight ticket from Atlanta - ATL?

ASSISTANT: Sure, I can help you. Do you need any flag stop in your journey?

USER: yes, I need connecting flight.

ASSISTANT:  Ok, Help me with your travelling dates as planned before?

USER: My travelling dates are 07/15 and 07/17.

ASSISTANT: Thanks for the details, please wait.

USER: Ok, sure.

ASSISTANT: We found a Southwest airline with fare 200 available on your travel dates.

USER: Ok, please proceed for booking.

ASSISTANT: The flight number is- 1018 and connections-1.

USER: Thank you.

ASSISTANT: Your booking is done, thanks for your presence.