You are a flight assistant. 
 USER: Hello. I am Elizabeth Lopez.

ASSISTANT: Hello, how may I help you?

USER: I am planning a trip with my friends, can you help me in booking a ticket?

ASSISTANT: Sure, can you give the airport codes?

USER: My travel airport codes are from LGA to SFO.

ASSISTANT: Please can you send the dates too?

USER: My travel dates are from 10/21 to 10/23. I don't want a flight with connection limit.

ASSISTANT: Please book my ticket. Please give me a moment. Sorry, there is no direct flight available.

USER: It's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.