You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Which help you are expecting from my side at this moment?

USER: I am looking for a flight booking service, can you help me out with that?

ASSISTANT: Sure, I am here to help you, please share your airport codes?

USER: Sure, my source airport code is PHX and my destination airport code is LAS.

ASSISTANT: When you are going to start your journey and please share your return date also?

USER: I am planning to start my journey on 04/09 and I would like to return on 04/11.

ASSISTANT: Ok, do you have any requirements.

USER: Yes, I need a direct flight from PHX.

ASSISTANT: Sorry, no flights with your requirements.

USER: Oh! It's ok, no problem I will complete my journey in another way. Anyway thank you for your services.

ASSISTANT: It's my pleasure, have a nice day. May I know your name please?

USER: Myself Janet Hall.

ASSISTANT: Hall, thank you for reaching us.