You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you at this moment?

USER: Can you please help me with booking a flight ticket from SEA to PHX?

ASSISTANT: Sure, on which dates would you like to travel?

USER: My travel dates are Aug 29 and 31.

ASSISTANT: May I know your class preference?

USER: I prefer business class.

ASSISTANT: Ok, kindly mention your return or depart time.

USER: I prefer to return at evening.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Frank Allen.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.