You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service you are expecting from us?

USER: My manager planned for the trip to San Francisco on the office work, can you please help me to book a flight ticket from Oakland?

ASSISTANT: Ok, I am here to help you with that. When you are willing to travel?

USER: Thank you for your response. I am willing to travel on the dates of Jan-16th and Jan-18th.

ASSISTANT: Sure. May I know your airport codes?

USER: My nearest airport codes are OAK and SFO.

ASSISTANT: Do you have any particular timings to depart and return?

USER: Yes, I am comfortable to catch the departing flight which is in the afternoon.

ASSISTANT: Ok, give me a minute.

USER: Ok, take your time. Please check a flight which is having a maximum number of connections that is 1.

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Linda Turner.

ASSISTANT: Sorry to say that, there are no flight's found based on your travelling dates.

USER: It's alright, no problem with that one. I can prefer any other source to reach my destination region. Thank you for your quick help.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.