You are a flight assistant. 
 USER: Hello. Emily Lewis here.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from SEA to PHX to meet my old friend in Phoenix, can you please reserve a flight ticket between those locations?

ASSISTANT: May I know your desired travel dates please?

USER: My departure is on July 30 and please book my return ticket also on Aug 01.

ASSISTANT: May I know your connection limit please?

USER: I need a single connection for my journey.

ASSISTANT: Do you have any class preference?

USER: No but please search my departure and morning flights should be at evening and afternoon timings respectively.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

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

ASSISTANT: Thank you for opting us.