You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Laura Hernandez here.

ASSISTANT: How can I help you?

USER: I want to visit my friend's new hotel to look after his business for a day in his absence, can you please book a flight ticket from IAD - SFO?

ASSISTANT: Please provide your journey dates.

USER: Ok, my travelling dates will be from 07/28 to 07/30.

ASSISTANT: Please provide connections limit.

USER: Ok, please check for 1 connection flights.

ASSISTANT: Ticket is found with airline Southwest having flight number 1027 and price is 300.

USER: You can proceed with booking my reservation.

ASSISTANT: Ticket is booked.

USER: Thank you for assisting me with your great services.

ASSISTANT: Thanks.

USER: Most welcome.