You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I oblige you?

USER: I am Joshua Rodriguez.

ASSISTANT: Nice to meet you Joshua.

USER: I am planning to visit San Francisco to enjoy casino, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Sure, do you have any specifications?

USER: My budget for this trip is 5000.

ASSISTANT: Ok, could you provide your planned travelling dates of a trip?

USER: I intent to travel on 09/25 and 09/27.

ASSISTANT: Give me a minute, I will check with the availability and revert you back. Before that, can you share your airport codes?

USER: Sure, I would like to travel from IAD to SFO.

ASSISTANT: There is a flight with number 1009 in airline UA, the fare is 300 with 1 connection. Can I proceed with booking?

USER: That's exactly what I am looking for, you can proceed with booking.

ASSISTANT: Your ticket is confirmed, have a safe trip.

USER: Thank you for quick response in booking.

ASSISTANT: Thank you for reaching us.

USER: Happy with your service.