You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Dorothy Garcia.

ASSISTANT: Nice to meet you Garcia.

USER: I want to book a flight ticket to Phoenix as I need to submit my research record. Can you help me out please?

ASSISTANT: Sure, I will definitely help you.

USER: Thank you.

ASSISTANT: If you have any idea about your location airport codes, could you please tell us for better searching?

USER: Sure, my location airport codes are from IAD to PHX.

ASSISTANT: Certainly, please tell us on what date you want to fly from IAD.

USER: Ok, I need submit my record on 09/10. So, my preferable journey dates are 09/09 and 09/11.

ASSISTANT: Alright, please allow me a moment.

USER: Fine, I will standby for a moment.

ASSISTANT: Garcia, on your preferable travelling dates nonstop flight is available. Are you interested to travel in this flight?

USER: Oh! But I need a 1 stop over flight, can you please check with it?

ASSISTANT: Sorry Garcia, there is no plane on that day as per your requested connection limit.

USER: That's fine, anyway thank you for you valuable time.

ASSISTANT: My pleasure, thank you for choosing us. Have a safe journey.