You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Janet Miller here.

ASSISTANT: How can I assist you today?

USER: I need your help in booking of a flight ticket from IAD to PHX for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I'm glad to help you in booking the ticket. Can you please provide me your planned travel dates?

USER: Thank you for accepting my request., I am planning to leave on 07/03 and please book my return ticket also on 07/05.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: As per your details, there are no flights available for you on those dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you for the information.

ASSISTANT: Thank you for choosing us, have a great day.