You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Thomas here.

ASSISTANT: What can I do for you?

USER: I will be making a reservation to Oakland to attend my boss marriage, can you help me?

ASSISTANT: Sure, I am here to help you. Can you please provide your airport codes?

USER:  My airport codes are from BOS to OAK.

ASSISTANT: Let me know your journey dates.

USER: My planned dates will be from 03/30 to 04/01.

ASSISTANT: Sorry, no flights has been found on your journey details.

USER: No problem with it, that's fine.

ASSISTANT: Ok, thank you for approaching us.

USER: Thanks for checking with availability. You are welcome.