You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Young here.

ASSISTANT: Young, how may I help you?

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

ASSISTANT: Sure, please share your itinerary dates.

USER: Sure, I am planning to move on 02/01 and please book my return ticket on 02/03.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: Welcome.