You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I have to attend my sister's wedding at Oakland, can you please help me to book my flight ticket from DFW to OAK?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Can you please share your  journey dates?

USER: I will depart on 07/25 and return on 07/27.

ASSISTANT: May I know your name please?

USER: My name is Jennifer Adams.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a ticket for you with price 100 and connection is 0. Is it ok for you?

USER: No, please check for the single connection flight.

ASSISTANT: I am sorry to say that there is no flight found with that connection.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for your contacting us.