You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Phoenix with my friends. Can you do the reservation?

ASSISTANT: Yes, I feel euphoric to help you about your flight ticket booking. Can you please provide your genesis and terminus codes?

USER: My airport codes are IAD-PHX.

ASSISTANT: May I know your name?

USER: Jack Scott here.

ASSISTANT: May I know your travel dates?

USER: My journey dates are 05/12 and 05/14.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: No problem, Thanks for the information.

ASSISTANT: Most welcome.