You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I want to travel from LGA to OAK, can you be able to book my ticket?

ASSISTANT: Yes, I will help you. Do you need lay by in between your journey?

USER: I need 1 connecting flight under a fare of 5000.

ASSISTANT: Can I have your travelling dates please?

USER: My preferred dates of travelling are from 09/20 to 09/22.

ASSISTANT: Thank you for being patience. Unfortunately, no flights available with your requirements.

USER: No problem.

ASSISTANT: Your good name please.

USER:  Myself Alexander Hernandez. Thank you for your quick response.

ASSISTANT: Thank you for contacting us.