You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Thomas.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from SFO to LAX?

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

USER: Sure, I need to travel on dates of 10/26 and 10/28.

ASSISTANT: Please give me a moment.

USER: Sure but please make sure that connection 0.

ASSISTANT: There is no flights available with connections 0.

USER: Oh! it is sad to hear. Anyway, thank you for your time.

ASSISTANT: Welcome, have a great day.