You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sharon Lewis.

ASSISTANT: How can I assist you today?

USER: I have to go Boston tomorrow for attending a business meeting there, can you please book a direct flight for me?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: Thanks, I want to departure on 01/18 and please book my return ticket also on 01/20.

ASSISTANT: Please mention your airport codes that you want to travel.

USER: I would like to take off from SFO and destination is BOS.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no flights available with connections 0.

USER: Oh! It's ok no problem I will choose another alternate way to reach my destination. Thank you for your information.

ASSISTANT: Welcome, have a great day.